Open-Developer Operator Job Description:

Tends open-developer machine that develops dye in dyed or printed cloth, removes excess color from cloth, and wets cloth before soaping process: 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.