Ntau yam khoom siv siv cov khoom siv thauj khoom hauv lawv cov nyiaj siv ua haujlwm nqa hydraulics, xws li:
cranes
Cherry pickers
Boom tsheb
Cov hlab ntsha poob siab
Cua tunnels
Missile launchers
Industrial presses
Roj drilling rig
Dam rooj vag
Cov nkoj
Kev tshuaj xyuas tsheb
Kev lom zem chaw ua si
