Crystal hollow polycarbonate urupapuro rwuzuye 4-40mm
Nyuma yo gutunganya tekinoloji idasanzwe, urupapuro rufite uburyo bwiza bwo kureba no gukora birwanya kwambara hamwe nurumuri ruto rudashobora gukora urumuri kandi bigabanya neza umwanda icyarimwe, ibyo bikaba byerekana ingaruka nziza "kristu yaka".