- 4. He has invented a new method to reclaim valuable raw materials from industrial waste water.
1. claim back
- synonym： repossess
2. of materials from waste products
- synonym： recover
3. bring, lead, or force to abandon a wrong or evil course of life, conduct, and adopt a right one;
4. make useful again; transform from a useless or uncultivated state;
- "The people reclaimed the marshes"
5. overcome the wildness of; make docile and tractable;