Ingcaciso yeMveliso:

Isikhokelo sentambo yenayiloni iPulley njengohlobo lweemveliso zeplastiki zobunjineli zisetyenziswe ngokubanzi kuzo zonke iintlobo zoshishino lwecrane.Iipuli zenayiloni zaqale zahlengahlengiswa kwi-crane ye-tower crane zaqala eJamani ukuze zithathe indawo yeepuli zentsimbi ngenxa yokufaneleka kwayo kobunzima obulula, ukukhuselwa kwentambo yentsimbi, Ukuzithambisa, ukufakela lula, ixabiso eliphantsi.Kancinci kancinci i-nylon pulley isetyenziswa ngokubanzi kwi-tower crane ukuphakamisa umhlaba wonke ngembali engaphezulu kweminyaka engama-20.

Isicelo: Tower crane;Crane;Ishishini le-elevator

Ukubonelela ngesakhono:

1, iMveliso yeNyanga engaphezulu kwe-100000 yamaqhekeza

2, Bangaphezu kwe-150 abasebenzi abamiyo

I-3, i-23 yabasebenzi bezobugcisa ukuyila nokubala

I-4, impendulo ekhawulezayo kwiimveliso ezenziwe ngokwezifiso

5, Ngaphezu kwe-1000 yeentlobo ze-nylon pulley kwisitokhwe