Inkqubo yokupholisa umoya ephuphumayo kwimizi-mveliso inokusombulula ukungena komoya, ukupholisa, ioksijini, ukususwa kothuli, ukususwa kwevumba, kunye nokunciphisa ukwenzakala kweegesi eziyityhefu neziyingozi emzimbeni womntu ngaxeshanye kwiifektri. Zininzi izibonelelo eziziswa yi-air cooler, njani ukufaka umatshini opholileyo? Ukulandela iinkcukacha...
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