a : something that is formed by casting inside a mildew or type: including (1) : a copy (as of a statue) in metal or plaster : casting (2) : a fossil reproduction of the details of a natural object by mineral infiltration b : an impression taken from an item which has a liquid website or plastic compound : mould They designed a mask from the wax cast of her experience.

off the despair scrap and junk indicate throwing away or breaking up as worthless in existent form.

discard implies the permitting go or throwing away of something which happens to be useless or superfluous however normally not intrinsically valueless.