Don yanke shawara akan wutar lantarki don fitilun da ke hana fashewa a cikin masana'anta, dole ne a fara la'akari da tsayin wurin. Da ke ƙasa akwai tunani daga aikin mu na sake fasalin masana'anta da aka ƙera ƙarfe.
Mun yi amfani da fitilun da ke hana fashewar 150W, shigar a tsawo na 8 mita tare da tazara na 6 mita tsakanin kowane haske, cimma matsakaicin haske na 200 Lux, wanda ya dace da ma'aunin kasa (GB50034-92) na 200 Lux.