Tend open tanks to impregnate wood products with preservatives.

What does a Tanker do?

Tends open tank to impregnate wood products with preservatives: Signals OVERHEAD CRANE OPERATOR 921.663-010 to lift load of material over tank and guides load into tank by hand or with rod, working from elevated platform. Chains tank loads of poles to high rack to prevent toppling. Observes gauges and turns valves to regulate heat and flow of preserving solution in tank. Impregnates sashes, doors, and other millwork products, using hand or power hoist to load and unload tank. May tend vacuum-type dip tank that impregnates wood by pressure.