Bakelite ebiyelweyo yombane

Iimpawu zeMveliso: 1. Imveliso igudileyo ngaphandle kwe-burr, umgangatho ophezulu wokusebenza, ukuqina kunye nokuqina.2.
2. Umgangatho ogqwesileyo, umgangatho olungileyo kunye nexabiso elihle kakhulu.Izixhobo zokusebenza ezisuka kumazwe angaphandle zikhethiwe.
3. Gcina imizobo iyimfihlo, unyanzelise ngokungqongqo inkqubo yolawulo lomzobo kwaye uphelise umngcipheko wokubhengezwa.