I-Mifeng, umenzi okhokelayo weemveliso zokungenisa umoya ukusukela ngo-2003, uyazingca ngokwazisa i-Inline Duct Fan.Lo mlandeli udibanisa ukupholisa okusebenzayo kunye namanqanaba engxolo aphantsi kunye noyilo olunomtsalane olungena nakweyiphi na indawo.Ngobukhulu obahlukeneyo obukhoyo, le fan ifanelekile ukukhula kweentente, ii-attics, iigaraji, ...
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