No material recovered from used receptacles shall be used in the manufacture of IBC bodies. Production residues or scrap from the same manufacturing process may, however, be used.

Soda residues can favorable improve acidity soil, and have obvious increase in production of lichee, kidney bean, tomato and sweet potato.

In a chipboard production plant, wood residues (barks and chips) were used to replace conventional fuel i. e. LPG.