Ezindaweni zezimboni ezisheshayo, lezi zinsiza ezincane zinikeza ithuba lokukhiqiza okukhulu kanye nezindleko zokusebenza ezincane. I-Dock Leveler izikhathi eziningi ayinakwa. Asebenza njengemishini ebaluleke kakhulu yokuvala igebe phakathi kwamadokodo okulayisha namaloli ngesikhathi sokungeniswa kwempahla. Okubaluleke kakhulu, izileveli zedokhi zidinga ukunakekelwa njenganoma yiluphi olunye uhlelo lwemishini oluxhunywe esakhiweni ukuze luqhubeke nokusebenza ngendlela engcono kakhulu futhi lufanelekile. Kulesi sihloko, sizoklelisa amathiphu ayisikhombisa okunakekela ayisiqinisekiso sokugcina amaleveli edokhu esesimweni esiphezulu kanye nokuthuthukisa ukusebenza kahle. Ihlanganyela ekukhiqizeni nasekudayiseni zonke izinhlobo zeminyango yezimboni-kusuka eminyango evala igesi eshisayo ukuya eminyango esheshayo yokuphepha- I-Guangzhou Victorydoor Co., Ltd isebhizinisini lokuhlinzeka ngenkonzo yomjikelezo wonke yokukhiqiza, ukufakwa, kanye nezinsizakalo zangemuva kokuthengisa. Le nkampani yasungulwa ngo-2005 ngenkolelo eqinile yokuthi ukwethembeka nokusebenza kahle kwemishini kudlala indima ebalulekile ekusungulweni kwezimboni. Ikhwalithi nokukhathazeka kokwaneliseka kwamakhasimende kuthinta zonke izici zokuphakelwa: ngisho nasezikhungweni zemikhumbi ukunakekelwa okubalulekile kwabalinganisi bemikhumbi. Konke lokhu kuhlanganisa ngempela kuhlose ukuza ukuzokukhanyisela ngale bhulogi ukuze uthole okuningi kumaleveli edokhu lakho futhi uwasebenzise ngokugcwele ukuze usebenze kahle.