Ukudlulisa ukukhanya okuphezulu kakhulu, ukubukeka okucacile kwekristalu okunomswakama ophansi, ukumelana okuvelele komthelela ojwayelekile nokushisa okuphansi, ukwenza mhlophe ukulwa nokucindezeleka, ukuqina nokuguquguquka okulinganiselayo, ukubumba okuhle, ukukhanya okuphezulu kwendawo, ukuvumelana ne-RoHS ne-REACH.