Normal range of tasks and workplaces Simple 160 Continuously occupied Waiting rooms; entrance halls; interior with visual canteens; rough checking of stock; tasks (coarse detail rough bench and machine work; only) general fabrication of structural steel; casting concrete; automated Occasional reading of process monitoring; turbine halls clearly printed documents for short periods. Ordinary or 240 Continuously occupied School boards and charts; medium moderately interiors with moderately woodworking; food preparation; easy easy visual with high counters for transactions; contrasts or large detail computer use Moderately 320 Areas where visual tasks Routine office tasks (e.g. reading, difficult are moderately difficult writing, typing, enquiry desks) with moderate detail or with low contrasts 400 Inspection of medium work; fine woodwork; enquiry points; car assembly Difficult 600 Areas where visual tasks Drawing boards; most inspection are difficult with small tasks; proofreading; fine machine detail or with low contrast work; fine painting and finishing; colour matching Very difficult 800 Areas where visual tasks Fine inspection; plant retouching; are very difficult with very fine manufacture; grading of dark small detail or with very materials; colour matching of dyes low contrast
Normal range of tasks and workplaces Simple 160 Continuously occupied interior with visual tasks (coarse detail only) Occasional reading of clearly printed documents for short periods. Waiting rooms; entrance halls; canteens; rough checking of stock; rough bench and machine work; general fabrication of structural steel; casting concrete; automated process monitoring; turbine halls Ordinary or moderately easy 240 Continuously occupied interiors with moderately easy visual with high contrasts or large detail School boards and charts; medium woodworking; food preparation; counters for transactions; computer use Moderately difficult 320 Areas where visual tasks are moderately difficult with moderate detail or with low contrasts Routine office tasks (e.g. reading, writing, typing, enquiry desks) 400 Inspection of medium work; fine woodwork; enquiry points; car assembly Difficult 600 Areas where visual tasks are difficult with small detail or with low contrast Drawing boards; most inspection tasks; proofreading; fine machine work; fine painting and finishing; colour matching Very difficult 800 Areas where visual tasks are very difficult with very small detail or with very low contrast Fine inspection; plant retouching; fine manufacture; grading of dark materials; colour matching of dyes