mankhwala

Crane ya sitimayo ndi chipangizo ndi makina onyamula ndi kutsitsa katundu woperekedwa ndi sitimayo, makamaka chipangizo cha boom, makina onyamula katundu ndi makina ena odzaza ndi kutsitsa.

Pali njira ziwiri zotsitsa ndikutsitsa katundu ndi chipangizo cha boom, zomwe ndikugwiritsa ntchito ndodo imodzi komanso kugwiritsa ntchito ndodo ziwiri.Opaleshoni ya ndodo imodzi ndiyo kugwiritsa ntchito boom potsitsa ndi kutsitsa katundu, boom pambuyo pokweza katunduyo, kukoka chingwe kuti katunduyo agwedezeke panja kapena hatch yonyamula katundu, ndikuyika pansi katunduyo, kenako ndikutembenuza boom. kubwerera ku malo oyambirira, kotero ntchito ulendo wobwerera.Kutsegula ndi kutsitsa nthawi iliyonse kuti mugwiritse ntchito chingwe cha swing boom, mphamvu yochepa kwambiri, kulimbika kwa ntchito.Awiri ndodo ntchito ndi booms awiri, wina anaika pa hatch katundu, wina kunja, awiri booms ndi chingwe atakhazikika zina opaleshoni udindo.Zingwe zonyamulira za booms ziwiri zimagwirizanitsidwa ndi mbedza imodzi.Kungoyenera kulandira ndikuyika zingwe ziwiri zoyambira motsatana, mutha kutsitsa katundu kuchokera m'sitima kupita ku pier, kapena mwina kunyamula katundu kuchokera ku pier kupita ku sitimayo.Mphamvu yotsitsa ndi kutsitsa ya ntchito ya ndodo iwiri ndi yapamwamba kuposa ya ndodo imodzi, ndipo mphamvu ya ntchito imakhalanso yopepuka.