the wheels of axle(s) of vehicles of categories M and N are steered in addition to the wheels providing principal steering input not purely electric, hydraulic or pneumatic, in the same direction or in the opposite direction to the wheels providing principal steering input, and/or the steering angle of the front, centre and/or the rear wheels may be adjusted relative to vehicle behaviour

kõrgusmõõtesüsteemi kõrguse näidu ehk mõõdise ja geomeetrilise rõhkkõrguse vahe, difference between the altitude indicated by the altimetry system and the geometry pressure altitude