steering level

steering level

[′stir·iŋ ‚lev·əl]
(meteorology)
A hypothetical level, in the atmosphere, where the velocity of the basic flow bears a direct relationship to the velocity of movement of an atmospheric disturbance embedded in the flow.
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The special motoring check covers a wide range of items including lights, oil level, clutch fluid level, drivebelt, battery and cooling system condition, antifreeze and screen wash level, power steering level, exhaust condition and tyre pressures.
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