Multi-select problem: How does the next paragraph end?

The man puts down his face guard and welds a spot on a piece of metal. The man stops for a break. the man

OPTIONS: 1. welds a line into a piece of material.; 2. then begins making more adjustments to the welds on the metal metal.; 3. then begins removing something from a car and a tool.; 4. gets back on top of the machine and welds a hole in the metal.;
1.