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Steam uye rotary retort
Steam uye rotary retort ndeye kushandisa kutenderera kweiyo inotenderera muviri kuti iite zvirimo muyerera mupakeji. Iyo inogara mune iyo mhepo yese ichimiswa kubva kune iyo mhepo nekufashama chombo ichizopukunyuka panguva yekupedza. Nekudaro, panogona kunge paine mhepo-yekunyanyisa inoshandiswa mukati mematanho ekutonhora kudzivirira gadziriro yekudzora.