Munthawi ya Holocene, kufunikira kwa makina olemera m'makampani osiyanasiyana kukukulirakulira, kuphatikiza zomangamanga, zaulimi, ndi migodi. Izi zimakhala ndi diode yotulutsa kuwala kuti pakhale kufunikira kokhazikika komanso kothandiza kwa rabara pa thirakitala, chofukula, backhoe, ndi path stevedore. Focus ili ndi ...
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