| Giver | Post | Date |
| Nina1987 | Because mining and refining nickels is costly, researchers have develo | 11-Oct-2022 |
| cathyyt | Because mining and refining nickels is costly, researchers have develo | 18-Apr-2022 |
| studyprep282 | Because mining and refining nickels is costly, researchers have develo | 22-Jan-2022 |
| SaadKarol | Because mining and refining nickels is costly, researchers have develo | 06-Jan-2022 |
| alyting1023 | Because mining and refining nickels is costly, researchers have develo | 06-Oct-2021 |
| shalin23 | Because mining and refining nickels is costly, researchers have develo | 21-Sep-2021 |
| jjsingh7 | Because mining and refining nickels is costly, researchers have develo | 12-Sep-2021 |
| gmatupup | Because mining and refining nickels is costly, researchers have develo | 17-Jul-2021 |
| Sayam212 | Because mining and refining nickels is costly, researchers have develo | 31-Aug-2020 |
| vaibhavrana2 | Because mining and refining nickels is costly, researchers have develo | 30-Sep-2015 |
