The heat-treating process for reducing brittleness and removing internal stresses and strains in hardened steel. The process consists of heating the hardened parts to the required temperature in a bath of oil, molten lead, or other liquid, and then removing them from the bath and quenching (or cooling) them.
Safety in the hands of the next generation - by Dan Davis One fabricator suggests that younger workers in a metal fabricating setting are more likely to follow safety rules and regulations because they don't want to cut corners. That may bode well for boosting manufacturing's image in the eyes of others who may associate death and dismemberment with manufacturing.
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