Movement of people, vehicles, and machinery
| Corridors, circulation routers, lorry parks
| 20
| 5
|
Movement of people, vehicles, and machinery in hazardous areas; rough work not requiring any perception of detail
| Construction site clearance, excavation work, loading bays, bottling and canning plants
| 50
| 20
|
Work requiring a limited perception of detail
| Kitchens, potteries, factories assembling large components
| 100
| 50
|
Working requiring perception of detail
| Office work, bookbinding, sheet metal work
| 200
| 100
|
Working requiring perception of fine detail
| Textile production, drawing offices, factories assembling electronic components
| 500
| 200
|