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a tall machine used for lifting or moving heavy objects and building tall buildings ปั้นจั่นยกของหนัก
The vessel had to stabilise before an overhead crane, using nylon cables, gently placed Curiosity on the Martian soil.
Mr Suwat said a mobile crane and a concrete cutting machine will be deployed to remove damaged section, and that each of the 70 concrete pieces will weigh around 15 tonnes.
Each bag requires a crane to lift and place down to create the floodwall barrier.