Bugbamu-Imudaniloju Ina fifi sori Yiyan Aye ayeraye

There’s no one-size-fits-all standard for this question.

Ni gbogbogbo, ni a factory pẹlu kan iga ti meta mita, awọn ohun elo ina ti o wa ni isalẹ 40W ti wa ni aaye deede meji si awọn mita mẹta lọtọ. Fun awọn aaye ti o ga ju mita mẹta lọ ni giga, 50-70W amuse wa ni ti beere, ti fi sori ẹrọ ni awọn aaye arin ti awọn mita mẹrin. Sibẹsibẹ, the specific needs depend on your requirements for lighting efficiency.