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

Ending1: fixes the wires between the uneven beam bars. Ending2: wipes the steel on a cloth. Ending3: removes his glove and blows smoke away from the metal piece. Ending4: flips a card with small white letters on it.

Answer format: ending1/ending2/ending3/ending4