Please choose the correct ending to complete the given sentence: Welding: A commercial exhibits a varied array of welding equipment and demonstrates how to weld using the equipment. A welding helmet, clamps, welding kit and gloves are shown in line on a white background. a person

Ending1: begins to use the welding tools to weld inside of a car producing fire sparks as the welding takes place. Ending2: demonstrates a welding helmet with someone sitting behind him and welding inside his head. Ending3: is then shown welding a weld container with an electric wake lighter shaped like a bull in the shape of a bull crown. Ending4: points to the tool in the tool that he is holding.

Answer format: ending1/ending2/ending3/ending4