skateboard - n. a short board that is on wheels and that a person stands on to move along a surface or to perform tricks

cast - n. a hard covering that is put on an arm, leg, etc., so that a broken bone can heal

defective - adj. having a problem or fault that prevents something from working correctly

submit - v. to give (a document, proposal, piece of writing, etc.) to someone so that it can be considered or approved


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