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Zigawo za nsanja yozizirira - zoziziritsa kukhosi
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Mbali zosiyanasiyana za nsanja yozizira
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nduna zowongolera zanzeru
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YSS madzi-madzi ozizira unit
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YKN square counterflow lotseguka yozizira nsanja
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YKH square-flow cross-flow lotseguka nsanja yozizira
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Phukusi laling'ono la nsanja zozizirira
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YBN counterflow mtundu watseka nsanja yozizira
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Kutuluka kwa kompositi kutseka nsanja yozizirira (mpweya wolowera kawiri)
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YBH yokhala ndi mbali imodzi yotulutsa yotsekera yotseka yozizira
