Job Description:

• 1) Sprays interior surfaces of cupolas with refractory mixture to reline interiors, using spray equipment: Loads specified amount of material, such as clay, sand, and water into mixing tank of machine and starts machine to mix ingredients.

• 2) Installs preformed metal scaffolding in interior of cupola, using handtools.

• 3) Opens compressed-air valves on machine to force mixture into hose, climbs scaffolding with hose, and sprays surfaces.