1. Crystal girazi Crystal makapu zvakare mukombe.Izvo zvakakosha zvinosanganisa silicon dioxide, asi kuiswa kwemutobvu, makwakwakwa esimba, zingi, titanium nezvimwe zvinhu.Nekuti girazi iri rine kujeka kwepamusoro uye refractive index, kuona kwayo kwekunze kwakachena uye kristaro, saka iri c...
Verenga zvimwe