250 pob cranes
EOT cranes them rau ib cheeb tsam ntawm ib cheeb tsam, tsiv ib sab mus rau ib sab thiab rov qab thiab tom ntej. Lub tshuab nqes tes, hu ua nqaj yog mounted rau ntawm ib lub rooj sib tsoo rau txoj kab sib txeeb hla ntawm tus kab hluav taws xob txuas nrog ib lossis ntau ntau kab rov tav uas tau txais kev txhawb nqa ntawm ob tog zaum kawg. Cov tsheb thauj khoom tas yog txuas ntawm cov ces kaum rau qhov nqes thiab tsiv tawm ntawm cov chaw khiav tsheb. Kab rov tav ntawm lub laub hom cranes yog powered manually los ntawm tus neeg teb xov tooj; qhov tseeb, ib qho hluav taws xob overhead crane yog powered los ntawm hluav taws xob. Tseem muaj lwm cov cranes tuaj yeem ua cua txias (pneumatic).
