Qhov nyhav nyhav yog feem ntau 0.3 rau 80 tons, thiab qhov siab qhov nyhav yog 3 ~ 30 meters. Nws yog tsim los ntawm hluav taws xob lub cev, kev sib kis mechanism thiab cov paj ntaub lossis log log. Nws muab faib ua ob hom: xaim hlua fais fab thiab nplhaib saw fais fab fais fab. Ntawm lawv, cov saw hoist raug muab faib ua ob hom: kev tuaj yeem thiab hauv tsev, thiab fais fab fais fab tau faib ua ib qho kev tshem tawm thiab ob chav ceev lifting, mini fais fab ho, kev sib fais thiab ntau cov kev ua kom sib haum.

Kev kub ceev, kev tsav tsheb, kev tsav lub cav, cov tua hluav taws tua hluav taws, kab hluav taws xob, kab hlau ntaus, kev sib txuas, kev sib txuas, cov xov tooj hluav taws xob tam sim no thiab lwm yam hwj huam thiab kev siv dag siv zog.