https://crojfe.com/archive/volume-47-no-2/work-process-analysis-and-workload-of-a-choker-setter-in-timber-extraction-operations-by-konrad-mounty-4000-cable-yarder/
Work Process Analysis and Workload of a Choker Setter in Timber Extraction Operations by Konrad...
work processof achoker settertimber extractionanalysis