A professional who assists yarn-mercerizer operator ii in mercerizing yarn, performing any combination of following tasks. Respnsibilities include:

• Mounts balls of warp yarn in creel, using hoist or lift truck, with aid of operator.
• Straightens tangled yarn and ties broken ends.
• Conveys yarn and chemicals to and from storage, using handtruck.
• Performs other duties as described under helper master title.