Tend machines that pump plasters or stuccos through spray-gun.
What does a Plaster Machine Tender do?
Tends machine that pumps plaster or stucco through spray-gun for application to ceilings, walls, and partitions of buildings: Starts and stops machine on signals from PLASTERER. Fills hopper of machine with plaster. Turns valves to regulate pump and compressor. Assists in erecting scaffolds.