Vim li cas thiaj tawg-pov thawj teeb qhov muag tawg yooj yim

1. Yog lub teeb roj los yog incandescent? Cov qhov muag teev incandescent tsis muaj lub neej ntev, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig hnyav ntawm oilfield tawg-pov thawj teeb, qhov twg lawv feem ntau ua tsis tiav. Txawm li cas los, Lub neej ntev ntawm qhov muag teev tuaj yeem txuas ntxiv yog tias siv cov hlau halide lossis high-pressure sodium teeb. Tshwj xeeb, Qhov muag teev los ntawm Philips thiab Osram kav ntev dua, feem ntau ntau tshaj ob xyoos.

2. Tshaj li hom thiab hom ntawm lub teeb, tag nrho cov qauv tsim yog qhov tseem ceeb. Qee cov tuam txhab tsim cov teeb pom kev zoo tawg-pov thawj yam tsis muaj cua sov kom zoo, ua rau cov qij hlawv sai sai.