Monga chigawo chimodzi ndi chipangizo chogwirira ntchito, silinda ya hydraulic, monga zida zonse zamakina, idzakhala ndi magawo osiyanasiyana ovala, kutopa, dzimbiri, kumasula, kukalamba, kuwonongeka kapena kuwonongeka kwa zigawo zake pakanthawi yayitali.Chodabwitsa, ...
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