Makina owiritsa awiri a spitum ndi kapangidwe katsopano, kudzera mwaukadaulo wokonza bwino komanso zida zapamwamba kwambiri, mabotolo owiritsa awiri amayamwa kwa sputum mpaka pamlingo wapamwamba. Ndife angwiro pazinthu zonse zamabotolo owiritsa awiri a sputum , onetsetsani kuti mulingo wamtunduwu, kuti akubweretsereni mwayi wopeza bwino. Wosankhidwa ndi mabotolo owonjezera a China a Sputum wopanga ndi wopatsa, ngati mukufuna mabotolo abwino kwambiri a sputum okhala ndi mtengo wotsika, funsani US Tsopano!