Isigqubuthelo sodidi lwePin sinokwenziwa ngeceramic, iporcelain, ipolymer, iglasi, okanye irabha yesilicon.Kwimibhobho yombane esezantsi uhlobo olunye lwezithinteli zanele, Ukusetyenziswa kwamandla ombane aphezulu, ii-insulators zodidi oluqinileyo ezifana neziqwenga ezibini okanye iintlobo ezintathu ziyafuneka.Kuya kufuneka ukhethe ukukhetha ...
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