A professional who cleans rust, scale, and other residue from interiors of empty steel drums, using one of following methods. Respnsibilities include:

• (1) Inserts lighted rod through bunghole of drum to inspect drum interior for rust or residue, and selects chain of length and weight required to clean drum.
• Threads one end of chain through bunghole into drum, secures other end of chain to drum, using wire, and positions drum on power roller device.
• Depresses button to start rollers that tumble drum until chain dislodges matter.
• (2) Inserts steam nozzle into drum, pushes control to activate steam, and shakes nozzle about inside of drum to dislodge residue with blasts of steam.
• Draws out loose materials, using vacuum.
• Dries steam condensate, using warm-air hose.