The Development History Of Chinese Elevator Muna 1854, paWorld Expo muCrystal Palace, New York, Eliza Graves Otis akaratidza kugadzirwa kwake kekutanga - yekutanga kusimudza kuchengetedza munhoroondo.Kubva ipapo, ma lifts ave achishandiswa zvakanyanya pasi rose.Iyo kambani inosimudza, yakatumidzwa zita reOtis, ...
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