Question id 450 - Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

Take Up The Lateral Stresses To Which The Gear Is Subjected.
Prevent the extension of the landing gear oleo strut rod.
Prevent rotation of the landing gear piston in the oleo strut.
Maintain The Compass Heading Throughout Taxiing And Take-off.