Yazisa: Kweli xesha lenkqubela phambili yetekhnoloji ekhawulezayo, imfuno yeebhodi zesekethe eziprintiweyo eziguquguqukayo (PCBs) iyaqhubeka nokunyuka. Ezi PCB zibhetyebhetye zibonelela ngeenzuzo ezininzi ngaphezulu kweebhodi eziqinileyo, zizenza zisetyenziswe ngokubanzi kumashishini ahlukeneyo kubandakanya i-aerospace, izithuthi, i-elektroniki yabathengi,...
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