A professional who tends machines that automatically compress sawdust into artificial fuel logs and extrude them onto conveyors. Respnsibilities include:

• Starts machines.
• Observes compression marks on finished logs to ensure that logs are compressed according to specifications, and turns thumbscrews to adjust degree of compression.
• Weighs sample log periodically to verify conformance to standards.
• May replace sawdust-feeding screws, using screwdriver and wrenches.
• May add chemicals to sawdust to produce log that burns colored flame.