A professional who tends machine, consisting of series of subdivided tanks, that coats cloth with silicate or other chemical solution to strengthen and fluff cloth. Respnsibilities include:

• Starts pumps to transfer chemicals and water into mixing tank above machine.
• Determines specific gravity of solution, using hydrometer, and adds chemicals or water until required specific gravity is attained.
• Threads end of roll of cloth through guides and squeeze rollers of tanks and over takeup reel at end of tanks.
• Turns rheostat controls to obtain specified roller speed and tank temperature.
• Turns valve to admit specified amount of silicate or other chemical solution into tanks.
• Starts machine and observes cloth as cloth passes through tanks and onto takeup reel.