A professional who feeds wood chips and soda ash or acid into digester that processes wood chips into pulp. Respnsibilities include:

• Unbolts and removes digester cover, using wrench and chain hoist.
• Lowers feed pipe into digester, using hoist, and pushes button or turns handwheel to load digester with wood chips.
• Pushes control panel button or turns valve to admit specified quantities of soda ash or acid into digester.
• Replaces and bolts cover.
• May remove cover and blow steam from digester at completion of cooking cycle.
• May tend conveyors that convey chips to hopper or cooked pulp to storage bins.
• May open valves to blow cooked pulp into pit.
• May pull lever to dump cooked pulp from rotary digester.
• May draw and deliver pulp sample to laboratory for analysis.