Lona umkhiqizo wokubulala amagciwane we-ventilator owenziwe imboni yaseShayina.Umkhiqizo uklanyelwe ukubulala amagciwane ngempumelelo futhi ubulale amagciwane asetshenziswa ezibhedlela, emitholampilo nakwezinye izikhungo zezokwelapha.Yenziwe kusetshenziswa izinto ezisezingeni eliphezulu kanye nobuchwepheshe obuphambili ukuze kuqinisekiswe ukusebenza kwayo nokwethembeka.Umkhiqizo kulula ukuwusebenzisa futhi ungasetshenziswa kuma-ventilators emikhiqizo ehlukene namamodeli.