These were raised and lowered hydraulically.
The security in question involves vehicle barriers that could be quickly raised hydraulically.
The landing gear are hydraulically raised with a manual pump.
Fire engine ladders are raised hydraulically and extended by cable and then pulled back slightly so that the locks grip.
It has a two-seat, side-by-side configuration cabin with a bubble canopy which is hydraulically raised for access.
It has 80 fly lines including 7 overhead lighting bars and an orchestra pit that can be hydraulically raised to audience floor or stage thrust levels.
Equipment attached to the three-point hitch can be raised or lowered hydraulically with a control lever.
Modern disc harrows are tractor-driven and are raised hydraulically.
In the initial Crab design, the flail arms were raised and lowered hydraulically to set the height of the flail.
Pump-up masts are often used on vehicles, and are raised to their full height pneumatically or hydraulically.