EJiangsu Changfeng Medical Industry Co., Ltd, sithetha ngokukhona ukuthi ukudibanisa umoya ungukho indlela engaphambili labazilabula. Siphayela i-test paper yesikhombisi somoya esikhiwe ngemigomo emidumo kakhulu alandelwayo abe ngezimo zokuthuthukisa nokutholeka. Siyenza amandla akho ngokusebenzisa imininingwane yesovuli futhi amadala omncane, lokhu kungafinyelela ukubanjwa komoya, ifaniso lokuhlola amasampula asensobizo. Lelo rhamanzi luyindawo yokugcina labazilabula obheka phakathi kwesiphumo sokuphucula nokuphucula kwezifo.