Stick-
Dont throw them out.
They make terrific stacked weights for glueing LE sheeting to the Ribs. They take that curve really well if you line the binding up with the spars. They also come in handy lifting the tips when glueing dihedral braces. Not to mention laminating some sheet balse parts like doublers.... 5 or 6 inches of MA on top keeps things nice & flat