Taw qhia txog Loader

Hauv kev siv txoj kev, tshwj xeeb tshaj yog nyob rau hauv high school kev loj tsim, lub loader yog siv rau kev txhaws thiab kev khawb ntawm txoj kev, qhov aggregate thiab kev thau khoom ntawm asphalt tov thiab cov cement pob zeb. Tsis tas li, nws tuaj yeem nqa tawm haujlwm xws li thawb av, scraping hauv pem teb thiab rub lwm cov machinery. Vim tias cov loader muaj qhov zoo ntawm kev khiav ceev ceev, kev ua haujlwm siab, kev ua haujlwm zoo thiab kev lag luam, nws tau dhau los ua ib qho ntawm lub ntiaj teb thiab kev tsim kho hauv kev tsim kho vaj tse.