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	Beyond low-carbon steel : A brief, nontechnical discussion of welding metallurgy By: Mike Barrett Figure 1 Certain alloys, such as the high-carbon steel used in this caster roll, require sufficient preheat, which slows cooling after welding... Publish date: March 1, 2010
	Pernos peque�os, gran impacto : El cambio del material para soldadura de pernos ahorra millones a las plantas de energ�a By: Chris Hsu Read article in English Figure 1 La soldadura de pernos puede hacerse con una herramienta manual que es tra�da hacia el material. Foto... Publish date: February 9, 2010
	La GTAW o La GMAW rob�tica: ya no es una opci�n bien definida : La soldadura por arco de tungsteno se ha vuelto m�s f�cil de automatizar, mientras que los robots de soldadura por arco de metal con gas est�n empezando a producir resultados de calidad en GTAW By: Tim Heston Read article in English If an image is not displayed, click the hyperlinked figure number to view it. Figure 1 Los avances... Publish date: February 9, 2010
	One size does not fit all : Application needs drive welding system development By: Nick Peterson, Contributing Writer Figure 1 Push-button process selection potentially saves pipe fabrication shops $13,000 per year by reducing changeover time. Unless... Publish date: November 24, 2009
	SMAW: A welder's guide - Advice and troubleshooting tips for beginners If an image is not displayed, click the hyperlinked figure number to view it. Becoming proficient at SMAW takes practice and knowledge of... Publish date: September 1, 2009
	Tons of reasons for a new welding positioner : A new positioning table is helping P&H Mining Equipment keep up with its large fabrications By: Dan Davis, Editor-in-Chief If an image is not displayed, click the hyperlinked figure number to view it. Figure 1 The electric shovels P&H Mining manufactures,... Publish date: February 9, 2010
	Small studs, big impact - Change in stud welding material saves power plant millions By: Chris Hsu, Doug Phillips, and Terry Sterling If an image is not displayed, click the hyperlinked figure number to view it. Figure 1 Stud welding can be performed with a hand tool... Publish date: September 1, 2009
	Arc Welding 101 - Paint tank troubles : Paint tank troubles By: Paul Cameron I am building a 400-gallon paint tank and I'm having trouble with leaks when using gas metal arc welding (GMAW). I'm using a welding machine... Publish date: May 8, 2007
	Arc Welding 101 - Preheating a shaft-sprocket assembly : Preheating a shaft-sprocket assembly By: Paul W. Cameron We are welding 1018 cold-rolled, 2.5-inch-diameter shaft to a sprocket made from 1045 steel. We preheat the shafts to about 200 to 250 degrees. We... Publish date: February 13, 2007
	Starting a portable GTAW business Part IV: Stainless steel, aluminum tips : Part IV: Stainless steel, aluminum tips By: Phil Evans, Contributing Writer Editor's Note: This is the last part of a four-part series on owning and operating a portable gas tungsten arc welding (GTAW) business.... Publish date: September 12, 2006
	Starting a portable GTAW business Part III: Dos and Don'ts : Part III: Dos and Don'ts By: Phil Evans, Contributing Writer Photo by Jason Gies, project engineer, Amer Industrial Technologies, Inc., 302-765-3900, www.amerindustrial.com. Editor's Note: This is... Publish date: August 8, 2006
	Starting a portable GTAW business Part I: Know your tools and skills : Part I: Know your tools and skills By: Phil Evans Editor's Note: This is the first part of a four-part series on owning and operating a portable gas tungsten arc welding (GTAW) business.... Publish date: July 11, 2006
	Starting a portable GTAW business Part II: Know your customers : Part II: Know your customers By: Phil Evans, Contributing Writer Editor's Note: This is the second part of a four-part series on owning and operating a portable gas tungsten arc welding (GTAW) business.... Publish date: July 11, 2006
	Up with energy prices and wind towers - Automation, consultation help plate fabricator meet demand for wind tower masts By: Sue DiBianca A programmable rotary bevel head creates any combination of vertical and bevel cuts up to a 45-degree angle to prepare the cut edge for... Publish date: February 7, 2006
	Holding back the hydrogen : Back to basics on electrode selection and good welding practices By: Tim Heston There it is. It could be plain as day. It could be exposed via a die penetrant test, an ultrasonic test, or perhaps a magnetic particle... Publish date: January 15, 2010
	No purge, no problem : Finding the right steps to purge the purge from P91 procedure By: David Lucas Figure 1 The Gateway Energy and Coke Co. in Granite City, Ill., is a dual-use facility. It uses coal to produce coke for use in... Publish date: January 6, 2010
	GMAW guns and consumables : Separating myth from truth By: Andy Monk Figure 1 Familiarizing yourself with the myths and truths about GMAW guns and consumables can have a significant impact on productivity,... Publish date: January 6, 2010
	Induction system speeds pipe welding projects : A cool way to heat pipe If an image is not displayed, click the hyperlinked figure number to view it. When it comes to pre- and postweld heat treatment, many... Publish date: December 1, 2009
	Common technical mistakes new welders make and how to avoid them By: Marty Rice, Contributing Writer New welders naturally will make plenty of technical mistakes. By Merriam-Webster's definition, technical means "having special and usually... Publish date: November 24, 2009
	One size does notfit all : Application needs drive welding system development By: Nick Peterson, Contributing Writer Unless you're that exceptional standard-sized person, chances are that one-size-fits-all clothing requires compromises. While tight gloves... Publish date: November 24, 2009
	Lo b�sico de la SMAW: �cu�nto sabe usted? : Haga la prueba y descubra d�nde necesita mejorar su conocimiento sobre soldadura Read article in English Aqu� tiene unas cuantas preguntas b�sicas sobre soldadura por arco met�lico protegido (SMAW o soldadura de... Publish date: November 12, 2009
	Submerged arc welding optimization By: Elia E. Levi and Naddir M. Patel, Contributing Writers Photo courtesy of ESAB Editor's Note: Naddir M. Patel, Calgary, Alb., Canada, former director of operations at Silico Products, Mumbai, an... Publish date: November 10, 2009
	Robotic GTAW or GMAW: No longer a clear-cut choice : Gas tungsten arc welding has become easier to automate, while gas metal arc welding robots are starting to produce GTAW-quality results If an image is not displayed, click the hyperlinked figure number to view it. Figure 1 Technology advancements have made GTAW easier to... Publish date: September 6, 2009
	Newbie mistakes made, experience gained By: Marty Rice, Contributing Writer We all make mistakes. What's important is that we learn from them. However, some mistakes on a welding job can be disastrous and should be... Publish date: September 29, 2009
	Cutting cable clutter : Company selects inverters to reduce potential safety hazards and improve weld quality at nuclear facility By: Neal Borchert, Contributing Writer Ivan Newcomb, a journeyman pipe welder with UA Local 598, performs GTAW with an inverter at a work site about 10 feet below ground. "We just... Publish date: September 29, 2009
	Preparing for GMAW, back to basics: All about setup : Details matter when preparing to weld By: Todd Bridigum If an image is not displayed, click the hyperlinked figure number to view it. Of all the welding processes, gas metal... Publish date: September 1, 2009
	Enhancing the GTAW process By: Ed Craig, Contributing Writer For at least six decades, traditional gas tungsten arc welding (GTAW or TIG) has been considered the process of choice for attaining... Publish date: September 15, 2009
	SMAW: A welder's guide : Advice and troubleshooting tips for beginners By: Harry Sadler Shielded metal arc welding (SMAW) is the most common form of arc welding. However, creating a good weld is not always easy, especially for a... Publish date: September 15, 2009
	Movimientos suaves con soldadura por arco met�lico con gas : Perfeccionar la t�cnica de soldadura requiere un pulso firme y una vista clara By: Todd Bridigum Si la imagen no se puede visualizar, cliquee en el n�mero de la figura para verla. Read article in English "Verifique su Equipo Al... Publish date: August 17, 2009
	Stick welding: Tips for top performance : 5 steps can help a welder avoid getting stuck with poor welds By: Brad Hemmert If an image is not displayed, click the hyperlinked figure number to view it. For those who are new to it or perhaps who don't weld every... Publish date: August 1, 2009
	A streetcar to desire [again] : Welder/fabricator gets century-old trolleys back on track By: Amanda Carlson As the only metalworking restoration technician at the Seashore Trolley Museum, Kennebunkport, Maine, Bernie Bisnette likens his job to a case... Publish date: July 27, 2009
	Learn your trade, pay your dues : Advice for new welders By: Marty Rice, Contributing Writer I've paid my dues during my long and crazy welding career. I've had good jobs and bad jobs, good bosses and bad bosses, and I've met good and... Publish date: July 28, 2009
	GTAW la delgada linea : Las mejores practicas evitan problemas al soldar material delgado By: Jack Fulcer Si la imagen no se puede visualizar, cliquee en el n�mero de la figura para verla. Read article in English Lo delgado est� de... Publish date: July 22, 2009
	Trends in offshore energy : Training, technology help overcome skill shortage Although Hurricane Katrina lasted just seven days from start to finish, it was among the most destructive natural disasters in the history of... Publish date: July 28, 2009
	Todo lo que usted siempre quiso saber sobre GTAW : La soldadura por arco de tungsteno con gas puede usarse para soldar una gama de materiales mas amplia que la mayoria de los By: Jack Fulcer, Contributing Writer Si la imagen no se puede visualizar, cliquee en el n�mero de la figura para verla. M�s dif�cil de aprender que algunos otros procesos de... Publish date: September 1, 2008
	The GTAW top 10 : How to identify and remedy common GTAW mistakes By: Brad Hemmert If an image is not displayed, click the hyperlinked figure number to view it. Figure 1 This GTAW is the result of poor gas coverage, which... Publish date: July 1, 2009
	Pistolas GMAW: mas que una mercancia : 6 componentes de pistola que pueden hacer la diferencia By: William Giese Read article in English Muchos soldadores piensan con frecuencia en una pistola de soldadura por arco met�lico (GMAW, por sus siglas en... Publish date: July 7, 2009
	Stick welding fundamentals By: Marty Rice, Contributing Writer A great way to bust into stick welding for a hobby is with a cracker box and some mild steel plate. A cracker box, or buzz box for the... Publish date: May 26, 2009
	� Atascado en la SMAW? : Respuestas f�ciles a 8 preguntas comunes sobre electrodos By: Michael Crawford Si la imagen no se puede visualizar, cliquee en el n�mero de la figura para verla Read article in English Usar SMAW puede ser tan... Publish date: May 22, 2009
	Puntoas basicos de capacitacion para soldadores: el posicionado : La clara identificacion de las posiciones de soldar es vital By: Walter Sperko Si la imagen no se puede visualizar, cliquee en el n�mero de la figura para verla Read article in English El comunicar la posici�n correcta... Publish date: May 21, 2009
	Welding Update for Infrastruture:Building the bridge to anywhere : An Arizona-based bridge fabricator dares to be different, and succeeds To say that Stinger Welding Inc. is unique could be considered an understatement. After all, the AISC-certified fabricator of bridges and... Publish date: May 15, 2009
	Automating to grow : G&W Products is in an unusual situation. It�s growing. Figure 1 G&W Products is in a good place during this downturn—with plenty of work on the floor G&W Products is in an unusual... Publish date: May 1, 2009
	Building the bridge to anywhere : An Arizona-based bridge fabricator dares to be different, and succeeds By: Kate Eidam To say that Stinger Welding Inc. is unique could be considered an understatement. After all, the AISC-certified fabricator of bridges and... Publish date: April 1, 2009
	Welding with vision : Vision systems errorproof, add flexibility to robotic welding By: Terry Tupper If an image is not displayed, click the hyperlinked figure number to view it. If you had asked anyone in manufacturing five years ago, "What... Publish date: April 14, 2009
	Piping in productivity on heavy-gauge stainless steel : Taking a pass on the hot pass By: Craig Spindler If an image is not displayed, click the hyperlinked figure number to view it. Stainless Piping Systems Inc., Toronto, is no stranger to... Publish date: April 1, 2009
	Focus, passion, integrity : Winners of Be True To Your School contest get visit from Palmiter, race car By: Amanda Carlson, Associate Editor The inaugural Be True to Your School contest brought Brennan Palmiter and his stock car to Lebanon, Mo. It's one thing to hear about the... Publish date: March 14, 2009
	Smooth moves with GMAW : Perfecting welding technique requires a steady hand and a clear view By: Todd Bridigum To steady your hand, brace your elbow or upper arm against a tabletop or other secure object. Lea este articulo Enspanol Welders of the... Publish date: March 24, 2009
	Smooth wire feeding, smooth welding : Questioning wire-dispensing practices produces big payoffs By: Viwek Vaidya and Ed Cooper If an image is not displayed, click the hyperlinked figure number to view it. Figure 1 Welders often take inconvenience for granted. If... Publish date: March 24, 2009
	Mastering GTAW of anodized aluminum : A welder's guide By: Jack Fulcer Performing gas tungsten arc welding (GTAW) on anodized aluminum is a bit like trying to poke a hole in a sheet of ice without disturbing the... Publish date: March 24, 2009
	Think females can't weld? Think again By: Marty Rice, Contributing Writer "Girls can't weld!" That's what one of my students nicknamed "Bucky" said many years ago as a lone female walked into my all-male welding... Publish date: March 10, 2009
	It takes two, baby : Hybrid laser welding processes make strides in manufacturing By: Amanda Carlson, Associate Editor Hybrid laser-arc welding (HLAW) is not a new concept, but it has gained in popularity recently. Faster travel speeds, less heat input and... Publish date: March 10, 2009
	Welding for all seasons : American Heli-Arc welds for general industry, racing, and even art By: Tim Heston, Senior Editor Tom Young knows people. He knows Dan Pastorini, onetime Houston Oilers quarterback and today a race car owner and driver for the SCCA Pro SPEED... Publish date: December 16, 2008
	Straightening out GMAW gun feedability : Causes of poor wire feed and how to avoid them By: Kyle Stuart Whether you weld every day as part of your profession or occasionally as a hobby, you are probably always looking for ways to improve the... Publish date: January 13, 2009
	Pulse welding eases exotic-metal fabrication : Furnace fabricator pulse welds copper, aluminum-bronze Fundamentally, steelmaking electric arc furnaces transfer energy—lots of it. Used at mini-mills throughout the world, the furnaces'... Publish date: December 14, 2008
	Measuring up as a welder By: Marty Rice, Contributing Writer Knowing how to read a tape measure, or I should say not knowing how to read a tape measure, caused me a lot of aggravation one day. I was... Publish date: November 25, 2008
	Truckin' along : Fabricator 'dumps' spatter, improves deposition with new welding technology Dump bodies start out upside down and are flipped after the sides are attached. Then the fronthead and tailgate, including hinges, are welded in... Publish date: November 25, 2008
	GTAW common joint designs By: Jack Fulcer, Contributing Writer Welding a T joint on aluminum, the welder demonstrates proper torch and filler metal positioning. Photo courtesy of Weldcraft. The three most... Publish date: November 11, 2008
	Tips for TIG torches : Simplifying torch assembly By: Jack Fulcer As if gas tungsten arc welding (GTAW) weren't already difficult to master, GTAW torches have numerous interchangeable parts and designs to... Publish date: November 11, 2008
	TIG for titanium tubing : Success hinges on filler metal selection, cleanness, gas coverage By: Jack Fulcer Titanium is 45 percent lighter than steel, 60 percent heavier than aluminum, and more than three times stronger than either of them. While it... Publish date: October 28, 2008
	The root causes of weld defects : Poor procedures, design lead to welding problems on the floor By: Carl Smith Weld defects happen for a host of reasons. Air may creep into the weldment to cause porosity. The wrong amount of heat can cause cracking. Bad... Publish date: October 28, 2008
	Welding hazards and how to prevent them By: Marty Rice, Contributing Writer In my articles, I relate some of the funny, crazy, and scary things I've seen or had happen to me. I do this for several reasons. One,... Publish date: September 30, 2008
	Understanding ultrasonic welding : What it is; what it does; where it's going By: Karl Graff and Matt Bloss Figure 1 Click image to view larger Although the means by which the vibrations are produced in the wedge-reed system differ from the lateral... Publish date: September 30, 2008
	GTAW the thin line : Best practices prevent common problems when welding thin material By: Jack Fulcer Lea este articulo en Espanol Thin is in—for materials, that is. Because of stringent weight, space, and design requirements in... Publish date: August 26, 2008
	Welder training essentials: Positioning it right : Clearly identifying welding positions is vital By: Walter Sperko, P.E. Figure 1 Click image to view larger ASME Section IX specifies the ranges of production welding positions. Lea este articulo en Espanol... Publish date: August 26, 2008
	The lowdown on low-alloy filler metals : Your options for welding chrome-moly pipe By: Keith Packard and Bruce Morrett Chrome-moly pipe has become a standard in industries such as power generation, chemical processing, and petroleum refinement, not only for its... Publish date: June 17, 2008
	Submerged arc welding : then and now : It's not your father's sub-arc process By: Steven Rainwater, Contributing Writer Submerged arc welding (SAW) is so named because the weld and arc zone are submerged beneath a blanket of flux. The flux material becomes... Publish date: July 29, 2008
	Becoming the best danged welder on the block By: Marty Rice, Contributing Writer In recent articles I've asked why in the heck you'd want to weld , and I've discussed what companies want from workers , so now I... Publish date: July 29, 2008
	20,000 welds under the sea : Maintaining and repairing the world's largest ships Globe-trotting to places like Rio and Curaçao sounds like an adventure out of a spy movie. It's actually just another day at work for... Publish date: July 29, 2008
	Troubleshooting welding conductivity By: Bill Giese, Contributing Writer Tight connections between the cables, feeder, power source, gun components, and the workpiece are essential to delivering a consistent current... Publish date: June 17, 2008
	Tips for troubleshooting GMAW consumables : Gun and consumable issues have many potential causes but inexpensive, simple cures By: Bill Giese Making a high-quality gas metal arc weld is no easy task. But making a high-quality weld when your gun and consumables aren't functioning... Publish date: June 17, 2008
	�Atascado en la SMAW? : Respuestas f�ciles a 8 preguntas comunes sobre electrodos By: Mike Crawford Read this article in English Usar SMAW puede ser tan complicado para el soldador amateur como lo es para el profesional. Contestar... Publish date: April 1, 2008
	See Brennan go : 16-year-old finds passion is racing and welding By: Amanda Carlson, Associate Editor Most 16-year-old high school students are focused on getting their driver's licenses, planning for the next school dance, or gearing up for... Publish date: May 13, 2008
	Automation training for a new work force. : What to look for in an orbital welding training program By: Ernest A. Benway Finding skilled welders is becoming difficult and will only become more difficult in the near future. According to the American Welding Society... Publish date: May 13, 2008
	What do companies want from their workers? By: Marty Rice, Contributing Writer As an author, my trademark is beginning my articles with something stupid I've done. Fortunately, or unfortunately I have a huge list to... Publish date: May 13, 2008
	Modified GMAW for root passes : Modified process improves results on stainless, carbon steel pipe By: Jim Cuhel A new, modified short-circuit transfer technology can help stainless steel pipe fabricators increase productivity to meet the growing demand for... Publish date: April 15, 2008
	Educating beyond the arc : Grant program funds a new kind of welding education By: Tim Heston, Senior Editor Students at Lorain County Community College get hands-on training. A new grant program has allowed the school to expand its offerings to include... Publish date: April 15, 2008
	Learning TIG By: Marty Rice, Contributing Writer Photo courtesy of The Lincoln Electric Company Gas tungsten arc welding (GTAW), which used to be called heliarc, is referred to by most... Publish date: March 11, 2008
	Flat, straight, and shiny : Student, instructors collaborate on welded metal art sculpture By: Amanda Carlson, Associate Editor Figure 1 Larry Clevenger, Nancy von Lugossy, and Mike Merriman at the site of their welded metal art sculpture. At the start of each term,... Publish date: March 11, 2008
	Spin city : Considering a rotary weld positioner? Look around for the full story By: Amanda Carlson, Associate Editor It's easy to overlook equipment used to position a workpiece for welding, but turn for turn these machines make welding circular assemblies... Publish date: March 11, 2008
	The facts on welding titanium : American Welding Society D1.9 Structural Welding Code is a new tool for welders' toolboxes By: Stephen Luckowski and John Lawmon Many engineers and fabricators believe that titanium is a mysterious and difficult metal to weld—a fact that contributes to its... Publish date: March 11, 2008
	Virtually welding : Training in a virtual environment gives welding students a leg up By: Tim Heston, Senior Editor A virtual reality simulation of gas metal arc welding a fillet weld. A recent study led to an odd conclusion: Playing video games may... Publish date: March 11, 2008
	Go! Brennan : Putting the pedal to the metal and taking the metal to the classroom By: Vicki Bell, Web Content Manager Brennan Palmiter and his stock car What moves faster than Brennan Palmiter's stock car? Palmiter himself—a young (16), motivated,... Publish date: February 26, 2008
	GMAW 101: Setting the correct parameters By: Jon Ertmer, Contributing Writer Good gas metal arc weld. Photo courtesy of Miller Electric Unless you weld for a living, it can be difficult to know if your gas metal arc... Publish date: February 12, 2008
	Innovative workholding streamlines welding at Vermeer : Lean thinking helps weed out inefficiencies in the weld cell By: Tim Heston, Senior Editor Lean manufacturing drove Vermeer to organize weld cells for maximum productivity. Whenever possible, the company places fixtures in the weld... Publish date: February 12, 2008
	Putting the spin on benchtop positioners for tube and pipe welding : Features and capabilities for rotating round workpieces By: Keith Honhart Many fabricating shops must weld tube and pipe assemblies for both short-run and production-length jobs. Tube to tube, pipe to pipe, and pipe... Publish date: January 29, 2008
	Salvaging damaged shafts By: Elia Levi, Contributing Writer Photo courtesy of B+B Dynamo + Armature Ltd., Winnipeg, Manitoba, Canada Shafts are important, highly stressed mechanical elements used to... Publish date: January 15, 2008
	Duplex stainless and its alloys By: Jeff Heagey What is duplex stainless steel? Duplex stainless is fast becoming the material of choice when improved corrosion resistance and mechanical... Publish date: January 15, 2008
	Why in the heck would you want to weld? By: Marty Rice, Contributing Writer In the high school welding classes I teach, I try to include craftsmen, college/trade school representatives, and military recruiters as... Publish date: January 15, 2008
	What's your frequency : The role of adjustable output frequency in GTAW By: John Luck Before the advent of inverter-based gas tungsten arc welding (GTAW) machines, frequency control was rarely thought of as a way to improve... Publish date: January 15, 2008
	Start with the basics: Understanding flux-cored wires By: Keith Packard, Contributing Writer By arming yourself with some basic knowledge, you can choose and use flux-cored wires for your own welding applications confidently.... Publish date: January 15, 2008
	Vertical SMAW: It's a stick up : 5 tips to get it right when it's needed most By: Bill West Figure 1 SMAW, or stick welding, requires a certain mastery of skills, and vertical and overhead stick welding is that much more... Publish date: January 15, 2008
	9-1-1: Weld Emergency! : Microwelding shop performs on-the-spot fixes By: Amanda Carlson, Associate Editor Looking through the microscope of the laser welding machine, Eric Hild adds metal to a part the size of a battery, which is held stationary by a... Publish date: November 6, 2007
	Up to speed : Welders at Penske Racing strive for strength and safety NASCAR® roots run deep in the American Southeast. More than 50 years ago, atop sandlot racetracks with haystack walls, local thrill-seekers... Publish date: November 6, 2007
	Holding up under 'pier' pressure : Metal pier manufacturer banks on durability, service to stay afloat Nordcap began using steel to build its docks because the steel lasts longer than wood and it creates a minimal footprint on the bottom of the... Publish date: November 6, 2007
	The whats, whys, and whens of GTAW By: Jack Fulcer, Contributing Writer If you are among those who want to learn about welding just for fun, or if you are considering a new career, knowledge is always the key to... Publish date: November 6, 2007
	Ensure good feeding with FCAW electrodes By: ESAB Welding & Cutting The FCAW process in the United States is currently estimated at more than 245 million pounds a year and still growing in popularity and use in all... Publish date: August 8, 2007
	Orbital welding of stainless steel pipe for water systems : Productivity and quality improved over manual welding This typical AWT skid shows orbitally welded stainless steel tubing mounted on a stainless frame. After being the industrial wing of a... Publish date: October 9, 2007
	Obtenga la conexi�n : 5 consejos pr�cticos para conectar su antorcha de GTAW By: Jennifer Simpson Ya sea que usted sea nuevo en la soldadura por arco de tungsteno con gas (GTAW) o que usted sea un fabricante experto, los miles de... Publish date: October 9, 2007
	No hay nada m�s sano que una bocanada de aire fresco : C�mo controlar los riesgos para la salud por vapores de soldadura By: Mike Harris La mayor�a de los soldadores que usan poderosas herramientas y equipo comprenden los riesgos de seguridad asociados con �stos. Algunos riesgos... Publish date: July 10, 2007
	Don't underestimate welding vocab By: Paul Cameron I was recently involved in a discussion about a joint discontinuity. We were trying to determine whether it could be considered undercut or... Publish date: September 11, 2007

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