Shenhai Explosion-Proof
There’s no one-size-fits-all standard for this question.
Te rahiraa o te taime, i roto i te hoê fare hamaniraa tauihaa e toru metera te teitei, E piti e tae atu i te toru metera te atea o te mau mori i raro mai i te 40W. No te mau area e toru metera i te teitei, 50-70E mea titauhia te mau hi'opo'araa, haamauhia i te faito e maha metera. Tera râ,, the specific needs depend on your requirements for lighting efficiency.