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Makampani opopera 1.1 ali ndi mbiri yakale Mpope ndi makina akale. Mayiko aku Europe fakitale yoyambira mpope idamangidwa pakati pa zaka za m'ma 2000, kuposa 10 monga kampani ya United States Wortington idamangidwa mu 1980, Ingersoll Rand-kampaniyo idamangidwa mu 1860, Byron-Jackson comp ...Werengani zambiri »
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Monga mapampu ambiri, pampu ya centrifugal amasintha mphamvu zamagetsi kuchokera pagalimoto kupita ku mphamvu yamadzimadzi oyenda; Ena mwa mphamvu amapita ku kayendedwe ka kayendedwe kake kamadzimadzi, ndipo ena mphamvu zowoneka, zoyimiriridwa ndi kuthamanga kwamadzimadzi kapena kukweza madziwo motsutsana ndi mphamvu yokoka. Zambiri ...Werengani zambiri »
