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Iglasi yobungqina bembumbulu
Iglasi engqina imbumbulu ibhekisa kulo naluphi na uhlobo lweglasi eyakhelweyo ukumelana nokungenwa ziimbumbulu ezininzi. Kwishishini ngokwalo, le glasi ibizwa ngokuba yiglasi enganyangekiyo kwiibhulethi, kuba akukho ndlela inokwenzeka yokwenza iglasi yomgangatho wabathengi enokuba bubungqina obuchasene neebhulethi. Kukho iindidi ezimbini eziphambili zeglasi yobungqina bebhulethi: leyo isebenzisa iglasi elayitiweyo ebekwe phezu kwayo, kunye neyokusebenzisa i-polycarbonate thermoplastic.
