Tani waa COB aan fiicneyn, iftiinka LED-ka, "ayuu yiri Philip Oechsle, aasaasaha Oxman Lighting. "Tignoolajiyadan waxaa loo isticmaali karaa qaar badan ...
Si kastaba ha ahaatee, LED-yada kaliya ayaa dhab ahaantii sameeya waxa ay yiraahdaan waxay u qalmaan maalgashiga.Halbeegga warshadaha ee cilladda nalka LED waa 3%.laakiin...