1. Waa maxay noocyada qalabka muraayadaha ee jira?Qalabka dabiiciga ah: dhagax crystal ah, qallafsanaan sare, ma fududa in la shiidi karo, waxay gudbin karaan fallaadhaha ultraviolet, waxayna leeyihiin birefringence.Qalabka macmalka ah: oo ay ku jiraan galaas aan organic ahayn, galaas organic iyo resin indhaha.Muraayada aan Organic: Waxa laga dhalaa silica, calciu...
Akhri wax dheeraad ah