Reuse: Reuse of discarded material that is still in good condition and fulfills its original
function
Repair: repair and maintenance of defective products, so that they can continue to fulfill their original function
Refurbish: restoring old equipment and modernising it
Remanufacture: using discarded material in a
new product with the same function
Repurpose: using discarded parts in a new product with a different function