The guri semi-trailer yar yahay sida caadiga ah wuxuu qaadanayaa ku jirase aad concave (ama si fiican nooca) jir. Qaybta hore ee jir waa gooseneck (pin jar ee qaybta hore ee gooseneck ku xiran yahay koore jar on cagaf ah, dhamaadka danbe ee gooseneck ku xiran yahay jir semi-trailer ah), midabka dhexe waa xamuulka madal (qaybta ugu hoosaysa jir ah), iyo ugu dambaysta danbe waa jir wheel (oo ay ku jiraan giraangiraha).

Marka loading qalabka farsamo ee ku saabsan guri semi-trailer yar yahay, waxaa caadi ahaan ugu rarataan culaysyo qalabka farsamada oo uu ka dhamaadka danbe ee semi-trailer, ie dhaqaaqin qalabka farsamada oo uu ka jir wheel gadaal ama ay ka saareen giraangirihiina, ka dibna si qamaar qalabka farsamo on the semi-trailer.The guri semi-trailer ku haboon yahay gaadiidka ee noocyada kala duwan ee qalabka farsamo, waxyaabaha waaweyn, qalabka dhismaha waddo, meydadka taangiga weyn, qalabka saldhiga korontada iyo alaabta birta kala duwan. "Waddada" darawalka ayaa sheegay in guri semi-trailer hooseeyo leeyahay nooca guri, nooca dogob concave kana noogin bandhigi qaab-dhismeedka nooca, iyo dogobka gaadhya ansixiyeen nooca guri ama nooca gooseneck.

Isticmaal ee isjiidka semi guri yar yahay:

Waxaa caadi ahaan loo isticmaalaa si loo gaadiid culus gaadiidka (sida cagaf, basaska, baabuur khaas ah, iwm), gaadiidka tareenka, mashiinada macdanta, mashiinada kaymaha, mashiinada injineernimada (sida cagafcagaf, cagafcagafyadu, raraha, shay, wiishashka, iwm) iyo alaabta kale ee culus. The hoose xarunta of cuf, si fiican ugu xasiloonida iyo nabadgelyada, iyo awoodda xoog gaadiidka super alaabta sare oo noqotay caqabadaha dusha.

Noocyada ugu muhiimsan ee hooseeyo guri semi-trailer waa: laba sare dariiq dhexaad iyo hooseeyo, labo line sare afar dariiq dhexaad iyo mid hooseeya, sare saddex dariiq dhexaad iyo mid hooseeya, saddex line lix dariiq dhexaad sare iyo low.Low guri semi-trailer waxaa inta badan loo isticmaalaa in lagu qaado waaweyn oo adag in aan kala tagno alaabta waaweyn, sida cagafcagaf, iwm, nooca bowd waa ku haboon jiidaya alaabta cusub, sida khudaarta, miraha, iwm van nooca waa ku haboon jiidaya alaabta bulk iyo alaabo badan oo qiimo leh ka dhanka ah qoyaan