I-China isibulala-zintsholongwane kumzi-mveliso we-ventilator sisisombululo esinamandla sokubulala iintsholongwane esenzelwe ngokukodwa ukucoca ii-ventilators kwiifektri.Ibulala ngokufanelekileyo iintsholongwane, iibhaktheriya, kunye neentsholongwane, iqinisekisa ukuba ii-ventilators zikhuselekile kwaye zicocekile ukuba zisetyenziswe.Esi sibulali ntsholongwane kulula ukusisebenzisa kwaye asishiyi nayiphi na intsalela okanye ivumba.Ikhuselekile kuzo zombini i-ventilator kunye nomsebenzisi, iyenza ibe lolona khetho lufanelekileyo kwiifektri zokungenisa umoya.