1. Bokahohle ba PCB: OSP, HASL, HASL e se nang lead, Tin ea ho qoelisoa, ENIG, Silivera ea ho qoelisoa, Ho tšela khauta e thata, Ho tšela khauta bakeng sa boto kaofela, monoana oa khauta, ENEPIG… OSP: theko e tlase, e rekisoang hantle, maemo a thata a polokelo, nako e khuts'oane, theknoloji ea tikoloho, welding e ntle, e boreleli… HASL: hangata ke ...
Bala haholoanyane