Gantry nqa tau siv feem ntau hauv kev sib khwm sib txawv, kev tsim khoom lag luam, pob zeb Ib leeg-girder gantry crane yog feem ntau suav nrog kev tsim qauv ntawm tus qauv ntawm cov khoom lag luam, Ib leeg-girder gantry crane yog cov khoom lag luam, thiab cov thawv ntim khoom, thiab lwm yam. Lub thawv-hom ib-girder gantry crane yog cov khoom siv hluav taws xob me, feem ntau yog tsim los ntawm cov hlau steel, thiab insulating steel phaj, thiab kuv-steel.
Xya thaj chaw nqa ntau hom Gantry nqa, xws li, ua tiav thiab ib nrab gantry, drockide gantry, dockside gantry, nyob rau hauv cov nqe lus. Ntxiv rau ib qho Girder Gantry Cranes tau hais txog saum toj no, kev tsim ntau lub nqaj txawb Granes rau ntau ib qho kev muaj tsheb roj hmab-hom iav roj hmab geared hluav taws xob gantry thiab hydraulic.
Thaum tsim kom raug, ib leeg girder cranes tuaj yeem ua rau cov chaw tsim khoom, muab cov kev xav tau zoo tshaj plaws rau hnub thiab overhead tshem tawm cov kev xav tau ntawm lub teeb crane. Vim tias lawv tsuas xav tau ib qho ci mus rau Traverse, cov kab ke no feem ntau muaj qhov hloov pauv ntawm lub tsev sib npaug thiab txuas nrog cov vaj tse uas twb muaj lawm. Lub tsev hauv qab-deck cranes tso cai rau trunnion systems, nyob rau hauv uas hloov chaw ntawm ib bay mus rau lwm lub, thiab tom qab ntawd mus rau lwm crane, lossis tom qab ntawd mus rau lwm tus tua.