At a time when it's becoming more and more difficult to find skilled workers, it's encouraging to read about people like 18-year-old Jessica Jelinski who are studying and pursuing careers in metalworking. Jelinski is putting her welding training to good use winning competitions and working on interesting projects.

The skilled labor shortage many manufacturers already are experiencing is being joined by a skills gap as the aging work force retires and fewer young people pursue technical training. Manufacturers need to act now to cultivate and grow the future work force and bridge the gap.

As explained in Part I of this two-part series, many factors can affect laser processing efficiency. This article explains basic laser beam delivery requirements; discusses laser gases and supply methods; and lists common problems caused by using incorrect pressure, flow, and laser speed.