Please choose the correct ending to complete the given sentence: Welding: A foreman wear blue colored gloves before he begins welding metal. he

Ending1: kneels down before the metal to cool it down. Ending2: mixes the metal evenly in the metal bowl. Ending3: continues welding the metal with his torch and protective gear on. Ending4: places as much chrome as he can on the metal and pulls it apart.

Answer format: ending1/ending2/ending3/ending4