Nyob rau hauv grand txheej txheem ntawm kev ua lag luam thoob ntiaj teb, chaw nres nkoj yog qhov chaw pab cuam txuas thoob ntiaj teb kev lag luam. Tsis pub dhau cov khoom plig sib tsoo, ib qho khoom tseem ceeb ntawm cov roj ntsha uas tau sib hloov ntawm lub nkoj ntawm lub nkoj thiab thaj av hluav taws xob nthuav dav rau ntawm chaw nres nkoj cranes.
Weiha Thawv nthuav tawmyog cov cuab yeej tshwj xeeb txuas rau qhov kawg ntawm cov hlua hlau ntawm ib qho chaw nres nkoj crane (xws li cov quay crane) txhawm rau txhawm rau nkag siab thiab tso cov thawv ncaj qha. Lub tshuab hluav taws xob hluav taws xob-hydraulic thawv nthuav tawm yog ib qho uas nws lub zog hluav taws xob yog hluav taws xob, thaum nws tau txav chaw thiab viav vias cov khau raj) yog ua los ntawm cov kab ke hydraulic.
Weihua pawg yog ib qho chaw tsim khoom lag luam ntawm chaw nres nkoj tuav khoom thiab khoom siv, cog lus los muab cov kev daws teeb meem hluav taws xob rau hauv ntiaj teb no. Tiv tauj peb paub ntau ntxiv txog yuav ua li cas peb cov hluav taws xob hluav taws xob tuaj yeem txhim kho koj cov chaw nres nkoj.
