Ifekthri yase-China yokubulala amagciwane ikhiqiza imishini yekhwalithi ephezulu yokubulala amagciwane yama-ventilators abulala ngempumelelo amagciwane namagciwane ayingozi.Le mishini isebenzisa ubuchwepheshe obuphambili ukuze kuqinisekiswe ukuphepha nokwethembeka kwemishini yezokwelapha, okuyenza ibe ithuluzi elibalulekile ezibhedlela nemitholampilo.Imboni iphinde inikeze izinketho zokwenza ngokwezifiso ukuhlangabezana nezidingo ezithile zamakhasimende futhi inikeze izixazululo ezihambisanayo.