Ama-semitrailer ethangi le-aluminium ayizimoto ezihlala isikhathi eside futhi ezingasindi eziklanyelwe ukuthutha uketshezi njengamakhemikhali, uwoyela, amanzi, nezinto zebanga lokudla. Ukwakhiwa kwabo kwe-aluminium kunikeza ukumelana okuphezulu nokugqwala, okubenza bafaneleke ezimbonini ezifana namakhemikhali, ukudla, neziphuzo. Lawa ma-trailer ngokuvamile asetshenziselwa ukuthutha amabanga amade, umsebenzi osindayo ngenxa yesisindo sawo esilula, okunciphisa ukusetshenziswa kukaphethiloli kuyilapho kugcinwa umthamo oqinile wokuthwala umthwalo. Ingxubevange ye-aluminium iphinde inikeze ukumelana okuhle kakhulu nezimo zezulu ezinzima, okunomthelela empilweni ende. Ukusetshenziswa kwekhwalithi ephezulu ye-aluminium kuqinisekisa ukuthi lawa ma-trailer kulula ukuwanakekela, okuwenza abe yisixazululo esingabizi kakhulu ngokuhamba kwesikhathi. Amandla azo okuthwala izinhlobo ezahlukene zoketshezi ngokuphepha nangokuvikelekile azenze zaba ukukhetha okudumile kukho kokubili ezokuthutha zikazwelonke nezamazwe ngamazwe. 

Ama-semi-trailer ethangi le-aluminium angenziwa ngendlela oyifisayo ngezici ezifana nezingubo ezivalekile, ama-valve okusiza ukucindezela, nama-baffle okuphepha ukuze ahlangabezane nezidingo ezithile zoketshezi oluthuthayo. Lawa ma-trailer afakwe nezinhlelo zokuphepha zesimanje ukuvimbela ukuvuza nokuqinisekisa ukuthotshelwa kwezindinganiso zomhlaba jikelele.