ANSWER:
Birdie for badminton may be the best waste product which can be utilized and reused.
EXPLANATION:
The waste collected from poultry such as feather can be used for making birdie or shuttlecocks. The process for making the product is not that difficult too.
It would not take much to collect all the necessary components required to make a birdie for badminton. Best suggestion or way to utilize waste product is to make birdie for badminton.
