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оса
A straight line about which an object rotates; a straight line about which the parts of a bearing are regularly arranged. The center line of a shaft serves as an axis for a bearing; the cup and housing remain stationary while the shaft and cone rotate OR the cone and shaft remain stationary and the cup and housing rotate around it. The relative motion of the cup and cone is accommodated by the rolling motion of the rollers.
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1. A violently rotating column of air, in contact with the ground, either pendant from a cumuliform cloud or underneath a cumuliform cloud, and often ...
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