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Steam iyo Rotary Retort
Steam iyo Rotary Retort waa in la isticmaalo wareejinta jirka wareejinta si ay uga dhigaan waxyaabaha ku jira xirmada. Waa dhaxal ku jirta geedi socodka hawada oo dhan laga daadgureeyay daadadka markabka oo ay ku jiraan uumi iyo u oggolaanaya hawada si ay uga baxsadaan vovers-ka inta lagu guda jiro galka hawada waqti kasta inta lagu jiro talaabada jeermis-ka-qaadista. Si kastaba ha noqotee, waxaa jiri kara hawo-af-dhaaf ah oo loo adeegsado inta lagu gudajiro tillaabooyinka qaboojinta si looga hortago sunta weelka.