Monga momwe masitolo a hardware amafunikira kuyang'anira ndi kusonyeza misomali ndi zomangira zamitundu yosiyanasiyana, metric, chuma, kutalika, m'lifupi ndi phula, ndi zina zotero, mapangidwe a PCB amafunikanso kuyang'anira zinthu zapangidwe monga mabowo, makamaka pamapangidwe apamwamba kwambiri. Mapangidwe achikhalidwe a PCB atha kugwiritsa ntchito mabowo angapo, ...
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