A professional who tends machine that blends batches of flushed colors derived from coal tar hydrocarbons. Respnsibilities include:

• Dumps specified flushed pigments or dyes into tub of machine, using hoist.
• Adds specified chemicals to batch according to product specifications.
• Starts agitator to mix ingredients for specified time.
• Turns valves to pump blended pigments or dyes into storage tanks or drums.