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Wheels which can move in any direction are called ?
The world''s oldest known wooden wheel was discovered by Slovenian archeologists in ?
The world''s oldest known wooden wheel, dates back from ?
A ring-shaped covering that fits around a wheel rim to protect it is called ?
A wheel with spokes first appeared on Egyptian chariots around ?
Which of the following is not a type of Water wheel ?
Small ridges which circle the barrel on both the inboard and outboard sides are called ?
A revolving, often treadle-operated horizontal disk on which clay is shaped manually is called ?
A potter''s wheel is a machine used in the shaping of _____ ceramic ware.