A professional who tends feed end of mat-making range that cuts fiberglass sliver into staple lengths and binds staple lengths together to form continuous sheets of fiberglass insulation material. Responsibilities include:

• Scoops powdered binder from barrel into hopper of binder sprayer.
• Gathers specified number of sliver ends from creel and threads ends through guides and rollers into staple cutting units.
• Observes flow of sliver from creel through staple cutters to verify number of ends being fed into cutters and to detect jam-up of sliver in cutters.
• Stops cutter and disentangles jam-up, using knife.
• Drops marker onto conveyor, signifying beginning and end of defective mat.
• Increases or decreases number of sliver ends fed into cutters as directed by mat-machine operator.