Kev lag luam ntawm lub khw muag khoom muag yog kev pom zoo nrog kev loj hlob sai ntawm Tuam Tshoj tus qauv ntawm kev lag luam, kev txav mus los ntawm kev lag luam (tshwj xeeb tshaj yog cov docks, freight yards) ntawm Tuam Tshoj txoj kev lag luam, kev lag luam hauv zos (tshwj xeeb tshaj yog cov docks, cov khoom thauj khoom thauj) qhov kev thov ib feem ntawm qhov kev xav tau nce siab. Semi-trailer xws li: Van hom semi-trailer, tank semi-trailer, flat semi-trailer, thawv semi-trailer, tiav cov khoom thauj semi-trailer thiab lwm yam ntau yam.
Semi-trailer kev lag luam vim hais tias nws muaj qhov zoo ntawm cov nqi qis, kev ceev kev thauj mus los, kev muaj peev xwm loj, lwm cov nqi yog ntau lub xeev thiab rau, ntxiv nrog rau lub teb chaws ntxiv zog ntawm kev tswj hwm ob npaug thiab lwm yam, tom qab xyoo ntawm kev txhim kho , Tuam Tshoj txoj kev lag luam qhov kev lag luam tau pib ua zoo. Raws li kev txheeb xyuas, tam sim no, cov kev lag luam hauv cov semi-trailer ntau tshaj li 400 tawm tuaj. Logistics kev lag luam muaj peev xwm hais tau ua cov khoom muag ib nrab ntawm lub khw muag khoom loj tshaj plaws, tam sim no, cov tuam txhab loj thiab me ua lag luam suav nrog suav ua ke 3 lab, rau cov semi-trailer thiab nws cov khoom siv kev lag luam tau tso lub hauv paus.
