Kuyishidi lensimbi eliyisicaba elithelwa ngensimbi, lipholile futhi licindezelwe.Iyisicaba, iwunxande, futhi ingagoqwa ngokuqondile noma igundwe emgqeni wensimbi obanzi.Ipuleti lensimbi lihlukaniswe ukujiya, ipuleti lensimbi elincanyana <4mm (thinnest 0.2mm), ipuleti lensimbi eliwugqinsi eliphakathi nendawo 4~6...
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