Beam racks, tseem hu ua lub cev hnyav lossis cov khoom lag luam cargo, yog cov khoom lag luam tsim khoom lag luam, tsuas yog siv rau khaws cia ntawm cov khoom ntim. Nws yog ib qho ntawm feem ntau thiab cov qauv yooj yim ntawm cov chaw khaws khoom, thiab yog siv dav hauv ntau cov chaw khaws khoom thiab cov chaw log nkoj thiab cov chaw xa khoom. Lub thauj khoom-beam racks feem ntau yog ib puag ncig 1, {2}}} kilograms ib txheej. Beam racks txais tau ib tug qauv sib sau ua ke, tsis muaj vuam, thiab yog yooj yim heev thiab nrawm rau nruab thiab disassemble. Lawv tsuas yog muaj cov kab ke, cov kab teeb, hla kev zawm hniav, cov kab kos, thiab lwm yam, thiab lwm yam tuaj yeem hloov kho tau raws li qhov siab ntawm cov khoom.
