'Leftover' in the Bible

As for the flap that is left over from the tent curtains, the leftover half curtain is to hang down over the back of the tabernacle.

and he shall spatter {some of} the sin offering's blood on the altar's side, and the leftover blood must be drained out on the altar's base; it [is] a sin offering.

but the leftover meat and bread is to be incinerated.'

He said to them, "Now what have I accomplished compared to you? Even Ephraim's leftover grapes are better quality than Abiezer's harvest!

{Is it not enough for you} [that] you feed on the good pasture? And [still] you must trample the remainder of your pasture with your feet, and {clear water} you drink, and the {leftover water} you must make muddy with your feet.