A surface plant worker stationed at the sizing screens in a coal preparation plant or tipple. They oversee the mechanical shaking grates that separate run-of-mine coal into specific size fractions while manually picking out large pieces of waste rock, wood, or tramp metal that the machinery misses.
Heard on the job
The screener pulled the emergency stop when a massive piece of roof shale jammed the primary grizzly.
Also heard as
- screenman