- bi-directional cylinder
- n.a cylinder which may be operated in a clockwise and counterclockwise direction by a single key
Locksmith dictionary . 2014.
Locksmith dictionary . 2014.
Directional control valve — Directional control valves are one of the most fundamental parts in hydraulic machinery. They allow fluid flow into different paths from one or more sources. They usually consist of a piston inside a cylinder which is mechanically or electrically … Wikipedia
Omni Directional Vehicle — G Series The Omni Directional Vehicle (ODV) is a ground support utility vehicle manufactured by Hammonds Technical Services Inc. in Houston, Texas. The ODV can perform a variety of jobs, including towing aircraft and plowing snow. The largest… … Wikipedia
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