| Giver | Post | Date |
| NDTTT | Re: Leaching, the recovery of copper from the drainage water of mines, as | 28-Apr-2023 |
| 02999 | Re: Leaching, the recovery of copper from the drainage water of mines, as | 25-Oct-2021 |
| ShailendraSYadav | Re: Leaching, the recovery of copper from the drainage water of mines, as | 17-Feb-2021 |
| AbhishekDhanraJ72 | Re: Leaching, the recovery of copper from the drainage water of mines, as | 14-Aug-2020 |
| thangvietnam | Re: Leaching, the recovery of copper from the drainage water of mines, as | 13-May-2019 |
| psaikrishna90 | Re: Leaching, the recovery of copper from the drainage water of mines, as | 15-Nov-2018 |
| Sreyoshi007 | Re: Leaching, the recovery of copper from the drainage water of mines, as | 24-Jul-2018 |
| anhducdb07 | Re: Leaching, the recovery of copper from the drainage water of mines, as | 07-Oct-2017 |