Kutumiza kuwala kwapamwamba kwambiri, mawonekedwe owoneka bwino a kristalo opanda chifunga, kukana kutentha kwabwino komanso kotsika, kuyera bwino motsutsana ndi kupsinjika, kulimba bwino komanso kusinthasintha, kupangika bwino, kunyezimira bwino kwa pamwamba, kutsatira RoHS & REACH.