Liboto tsa potoloho tse feto-fetohang, tse tsejoang hape e le li-circuits tse feto-fetohang kapa liboto tsa potoloho tse hatisitsoeng (PCBs), ke likarolo tsa bohlokoa lisebelisoa tse ngata tsa elektroniki. Ho fapana le li-circuits tse thata, li-circuits tse tenyetsehang li ka kobeha, tsa sotheha le ho mena, li etsa hore e be tse loketseng lits'ebetso tse hlokang meralo e rarahaneng kapa constra ea sebaka ...
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