An kunja gantry cranendi mtundu wa crane womwe umagwiritsidwa ntchito m'mafakitale osiyanasiyana ndi zomangamanga kusuntha katundu wolemetsa pamtunda waufupi. Ma cranes awa amadziwika ndi chimango cha makona anayi kapena gantry yomwe imathandizira mlatho wosunthika womwe umadutsa pamalo pomwe zida zimafunikira kukwezedwa ndikusuntha. Nayi mafotokozedwe oyambira ake ndi momwe amagwiritsidwira ntchito:
Zigawo:
Gantry: Mapangidwe akuluakulu acrane wamkulu wa gantryzomwe zimaphatikizapo miyendo iwiri yomwe nthawi zambiri imakhazikika ku maziko a konkire kapena njanji. Gantry imathandizira mlatho ndipo imalola crane kuyenda motsatira.
Bridge: Ili ndiye mtengo wopingasa womwe umatambasula malo ogwirira ntchito. Njira yonyamulira, monga chokweza, nthawi zambiri imamangiriridwa ku mlatho, kuti uzitha kuyenda motsatira utali wa mlathowo.
Hoist: Njira yomwe imakweza ndi kutsitsa katundu. Itha kukhala winchi yamanja kapena yoyendetsedwa ndi magetsi kapena dongosolo lovuta kwambiri kutengera kulemera ndi mtundu wazinthu zomwe zikugwiridwa.
Trolley: Trolley ndi chigawo chomwe chimayendetsa chokwera pa mlatho. Zimapangitsa kuti makina onyamulira akhazikike bwino pa katunduyo.
Control Panel: Izi zimalola wogwiritsa ntchito kusunthacrane wamkulu wa gantry, mlatho, ndi kukwera.
Ma cranes akunjaadapangidwa kuti azitha kupirira nyengo yovuta, monga mvula, mphepo, ndi kutentha kwambiri. Amapangidwa kuchokera kuzinthu zolimba monga zitsulo ndipo amamangidwa kuti azikhala olimba komanso odalirika m'mafakitale. Kukula ndi mphamvu ya ma cranes akunja a gantry amatha kusiyanasiyana malinga ndi zofunikira za ntchitoyo.