Negative pressure fan inoshandisa iyo inotonhodza yemhepo convection uye yakashata yekutsinhana kwemhepo, mweya unoburitswa kunze izvo zvinoita kuti mweya wemukati udonhe, mweya wemukati unova mutete, uchigadzira nzvimbo isina kunaka yekumanikidza, ipapo mweya wekunze, nekuda kweiyo ai. ..
Verenga zvimwe