Question

identify the gmaw consumables labeled a in this picture. gas diffusers contact tips nozzles

Explanation:

GMAW (Gas Metal Arc Welding) consumables - Nozzles are components that protect the weld area by directing shielding gas. They are typically cylindrical or conical in shape, which matches the labeled A components in the image. Gas diffusers (which distribute gas evenly) and contact tips (which conduct electricity to the wire) have different designs.

Answer:

Nozzles