Iiglavu zilahlwe, maxa wambi zibizwa iiglavu zilahlwe, zezokhuseleko kunye neeglavu zokhuselo ezenziwe ngezinto zerabha zilahlwe, kunye nokumelana ezibalaseleyo iikhemikhali organic, physics elungileyo, iipropati anti-static, isimbo bekhululekile, kwaye zisetyenziswa kwiifektri zehardware, indawo yokutya ...
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