The e tlase a bataletseng seka-k'haravene hangata o inkela concave toloki (kapa hantle mofuta) foreime. Karolo ea pele ea foreime ke gooseneck (thakhisa traction tsa karolo pel'a gooseneck e amanang le traction saddle ka terekere, ea morao qetellong ea gooseneck e amana le foreime seka-k'haravene), karolong e bohareng e tsamaisang thepa sethaleng (karolong e tlaase-tlaase tsa foreime ya), 'me pheletso ke ka morao e lebili foreime (ho akarelletsa le mabili).

Ha ho palamisa thepa phetha molao ka tlaase a bataletseng seka-trailer, hangata ho mejaro ea thepa phetha molao ho tloha qetellong morao tsa seka-trailer, ke hore, ho fallela ka thepa phetha molao ho tloha ka morao foreime lebili kapa ho tlosa mabili, ebe ho lokisa thepa phetha molao ka seka-trailer.The a bataletseng seka-tereilara e loketse bakeng sa lipalangoang tsa mefuta e sa tšoaneng ea thepa phetha molao, lintho tse khōlō, tsela e khōlō thepa kaho, kgolo mele tanka, thepa seteishene matla le lihlahisoa tse sa tšoaneng tšepe. "Ka tsela e" Mokhanni o ile a re e tlase a bataletseng seka-tereilara e na le a bataletseng mofuta, mofuta concave toloki le lebili pepesa mofuta sebopeho, le toloki longitudinal o inkela a bataletseng mofuta kapa mofuta gooseneck.

Sebelisa ea lik'haravene tlaase a bataletseng seka:

Hangata a sebelisa ho likoloi lipalangoang boima (tse kang literekere, libese, likoloi khethehileng, joalo-joalo), likoloi seporo, mechine meepo, meru mechine, mechine le boenjiniere (tse kang excavators, likatakata, gommate, pavers, cranes, joalo-joalo) le boima thepa tse ling. E ka tlaase e le setsi sa matla a khoheli, ea molemo le botsitso le polokeho, le matla le ho feta matla a ho tsamaisa bartolomeo thepa phahameng le feta litšitiso holim'a lihlooho.

The mefuta e ka sehloohong ea tlaase a bataletseng seka-k'haravene tse: tse peli barrel phahameng le tlaase, tse peli mola mane barrel phahameng le tlaase, tse tharo barrel phahameng le tlaase, tse tharo mola tse tsheletseng barrel phahameng le low.Low a bataletseng seka-tereilara e haholo-holo e neng e tsamaisa e kholo le thata ho arola thepa kholo, tse kang excavators, joalo-joalo, terata mofuta loketse haholoanyane bakeng sa ho hula thepa foreshe, tse kang meroho, litholoana, joalo-joalo vene mofuta loketse haholoanyane bakeng sa ho hula thepa bongata le thepa ea bohlokoa ho feta khahlanong le mongobo