A professional who tends open-developer machine that develops dye in dyed or printed cloth, removes excess color from cloth, and wets cloth before soaping process. Respnsibilities include:

• Threads end of roll of cloth through machine rolls.
• Turns steam valves to heat machine tank and opens valves to admit specified chemicals into tank and to start water spray.
• Turns handwheels to close wringer rolls and starts machine.
• Straightens wrinkles in cloth as cloth enters machine.
• Sews end of new roll of cloth to end in machine during processing, using portable sewing machine.
• Drains tank of machine after cloth is processed.
• May mix chemicals in storage tank to develop desired color of cloth.