Piv nrog rau cov tsheb thauj khoom ib txwm muaj, cov pob tseg semi-trailers muaj nqi ntau dua hauv kev thauj mus los, yog li lawv cov koob npe tsis tau poob rau xyoo tas los no. Tshwj xeeb nrog kev maj mam rov qab los ntawm kev lag luam thiab kev rov qab los ntawm kev ua lag luam, qhov kev thov rau cov pob tseg semi-trailers tau dhau los ua qhov tseem ceeb. Yog vim li cas vim li cas cov pob tseg semi-trailers tau nyiam los ntawm kev ua lag luam yog cuam tshuam nrog nws cov nqi thauj mus los ntau dua thiab kev ua lag luam loj heev. Raws li kev cuam tshuam ntawm cov khoom nws tus kheej qhov zoo thiab kev cuam tshuam ntawm kev xav tau ntawm kev ua lag luam thiab kev taw qhia txoj cai, nws tsis yog qhov nyuaj rau kwv yees tias tag nrho kev ua lag luam rau pob tseg semi-trailers yuav zoo rau lub sijhawm ntev tuaj.
Tenda Trailers tseem txuas ntxiv ua kom nws cov kev siv zog hauv thaj tsam ntawm cov khib nyiab semi-trailers, tsuas yog muab cov neeg siv khoom nrog cov khoom zoo tshaj plaws.