| Giver | Post | Date |
| rcase113 | Machine A, working alone at its constant rate, manufactures 280 bolts | 07-Jan-2023 |
| rollingtides | Machine A, working alone at its constant rate, manufactures 280 bolts | 27-Nov-2022 |
| ranjeets2410 | Machine A, working alone at its constant rate, manufactures 280 bolts | 02-Jun-2022 |
| Zim81 | Machine A, working alone at its constant rate, manufactures 280 bolts | 26-Apr-2022 |
| Jc2888 | Machine A, working alone at its constant rate, manufactures 280 bolts | 01-Jan-2021 |
| jaggisrishti | Machine A, working alone at its constant rate, manufactures 280 bolts | 14-Sep-2020 |