Zindikirani: M’dziko lothamanga kwambiri laukadaulo, nthawi ndiyofunikira. Pamene zida zamagetsi zimakhala gawo lofunikira m'miyoyo yathu, kufunikira kwa ma board osindikizira osindikiza (PCBs) kukukulirakulira. Komabe, nthawi zina, malamulo ofulumira amafunika kukhazikitsidwa, zomwe zimabweretsa zovuta ...
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