Question

welding involves manual welding with equipment that automatically controls one or more of the welding conditions, while welding uses equipment that requires only occasional or no observation of the welding and no manual adjustment of the equipment controls. flexible automation, fixed automation fixed automation, flexible automation semiautomatic, automatic automatic, semiautomatic

Explanation:

Semiautomatic welding has manual welding with some automatic control of welding conditions. Automatic welding requires little or no observation and no manual adjustment of equipment controls.

Answer:

Semiautomatic, Automatic