Ama-flasks okubumbaiyithuluzi elisetshenziswa ezisekelweni.Lapho umshini wokubumba usebenza, i-Ama-flasks okubumbaubamba isihlabathi ukwakha isakhiwo esithile.Ngemva kwento efana nensimbi encibilikisiwe yayithelwa esihlabathini esibunjiwe esasibanjweAma-flasks okubumba, into encibilikisiwe izoqina futhi yakheke ekubunjweni okudingayo.Ama-flasks okubumbangokuvamile yenziwa kusukaimpahlayensimbi eyinsimbi bese ifakwa ngomshini ukuze ihlangabezane nezidingo.