1. Robots
... pass by, the robot welds them. The robots remember the position of each weld that is to be made, and can recall other programs when a new material appears on the line. In arc welding, metal sheets are pressed together. Then a thin tungsten wire at the tip of and electrode is brought close to the surface. Current is passed through the electrode ... workers must hold the gun a certain distance and angle from the surface. Also, he must move the gun continuously to prevent dripping. The painter uses his own judgements regarding a good finish. Because of this, products are never identically ...
- Word Count: 2637
- Approx Pages: 11
- Grade Level: High School