Nthawi zambiri, kugwiritsa ntchito incandescent, fulorosenti, ndipo nyali zothamanga kwambiri ndizoletsedwa m'malo osungiramo zoyaka komanso zophulika.
Ndikoyenera kugwiritsa ntchito zida zowunikira zosaphulika zomwe zimatetezedwa ndi madzi, osagwira fumbi, ndi anti-corrosion mphamvu.