Isikrini sesilika, esikwabizwa ngokuba yintsomi yemaski ye-solder, sisicatshulwa okanye iisimboli eziprintwe kwi-PCB kusetyenziswa i-inki ekhethekileyo ukuchonga izinto, abafowunelwa, iilogo zebhrendi kunye nokuququzelela indibano ezenzekelayo. Isebenza njengemephu ukukhokela inani labantu bePCB kunye nokulungiswa kweempazamo, lo umaleko uphezulu udlala ngokumangalisayo...
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