...Kuyatsa ntchito kumatithandiza kugwiritsa ntchito pafupifupi 10W-50W usiku wonse.... Metropolitan Electrical Contractors ndi akatswiri pakusintha kuwala kwa LED....Nyali zowononga mphamvu za Para zija kapena ma ring ring akale.
Kuwala kwa LED kwa 71-lm / W Portfolio kumatamandidwa chifukwa chowongolera bwino ... Kuwala kumafika ku 96 lm / W, ndi mphamvu ya 949 lm ndi 10W....Ndimachita chidwi kwambiri ndi ma optics osinthika okhala ndi mabowo ozungulira kapena masikweya...