a : something which is shaped by casting in a mold or form: such as (1) : a replica (as of the statue) in metallic or plaster : casting (2) : a fossil reproduction of the details of a natural object by mineral infiltration b : an impact taken from an object using a liquid or plastic material : mildew They created a mask from a wax cast of her face.
from the melancholy scrap and junk imply throwing absent or breaking up as worthless in existent form.
discard implies the permitting go or throwing absent of a thing that has grown to be website ineffective or superfluous while frequently not intrinsically valueless.