Cov kab hluavtaws fais fab yog ib hom ntawm lub crane crane, tseem hu ua active grab crane. Nws yog ib qho kev sib txig sib luag. Nws yog heev nthuav, kuj lug siv heev.

Nws tuaj yeem siv rau kev nqa ntau yam khoom xws li chaw thau khoom, tsheb thauj khoom, ntoo, sandstone, lub ntiaj teb thiab pob zeb hauv cov chaw nres nkoj, cov chaw nres tsheb, chaw nres tsheb, me, vaj thiab lwm yam.

Qhov tseem ceeb ntawm kev siv hluav taws xob hauv qhov hluav taws xob crane yog cia li siv qhov khoom vim nws yog ib qho kev siv tshuab tsis siv neeg. qhov kev tshem tawm thiab kev ua haujlwm ntawm kev siv fais fab kev tuav crane raug tswj los ntawm tsav tsheb tsis muaj neeg tsav tsheb tsis muaj neeg pabcuam ua haujlwm, yog li cov neeg ua haujlwm hnyav ua haujlwm, kev pabcuam ua haujlwm raug cawm, thiab qhov kev tsav tsheb thiab kev tshem tawm zoo heev txhim kho. Tsis tas li ntawd xwb, tab sis tseem qhov kev nyab xeeb ntawm kev ua tau zoo tuaj.

Los ntawm txoj kev, thaum siv lub qhov hluav taws xob grab crane yuav tsum tau ua rau tus txheej txheem khiav lag luam, raws li kev hloov cov crane mus ua lag luam, txwv tsis pub nws yuav ua rau muaj kev rau txim! qhov chaw nqaim.Crane yog maj mam tsim ntawm hom me me kom tau hloov mus rau txoj kev loj hlob ntawm lub sij hawm. Nws yog qhia tias Nyiv tau ua rau lub ntiaj teb thawj lub platform tilting boom mini - tshuab 10 xyoo dhau los. Nrog txoj kev loj hlob ntawm tib neeg, lub downward - leaning boom yog hais tias yog tus me crane. Maj mam ntxiv cov tswv yim tshiab no tau nce mus rau kev sib tw, kato pawg thiab lwm cov tons loj hauv crane.

Ntxiv mus, Nyiv Komatsu pawg kuj tsim cov downward - leaning boom lw80 (8t) thiab lw 100 - 1 (10t) crane hauv 90 s. Tib lub sij hawm Lt 300 (4.9t) thiab lt 500 (12t) "mini" cranes kuj tau tsim nyob rau xyoo 1993 thiab 1997. Cov ob cranes no tau txais kev siv tib lub tshuab kom yoojyim uas cuam tshuam tau yooj yim.