Washrooms, power plants, waiting rooms and kitchens. 10 or more General lighting No detail vision necessary. Stairways or supply houses. 5 or more General or supplementary lighting. The ever more frequent introduction of CRT display terminals in traditional offices has led at times to impossible workplace problems.
Lighting becomes unsuitable for the new and complex visual tasks of CRT terminals.
Situations where the operator has simply switched the lightts off and works in almost total darkness are not unusual.