Please choose the correct ending to complete the given sentence: Welding: The man applies his glove to his left hand. The man taps a metal with a soldering iron. The man soldiers on the piece of metal. the man

Ending1: uses the iron to press wax on a piece of metal. Ending2: cuts the solder nails on the metal with the iron. Ending3: stops soldering the metal. Ending4: reaches up and touches a metal nail.

Answer format: ending1/ending2/ending3/ending4