Our data table looks like this:
| Machine Name | Action | Date |
|---|---|---|
| M123 | Work | 01/12/2021 |
| M123 | Maintained | 01/12/2021 |
| M741 | Work | 01/05/2021 |
| M123 | Maint Req | 01/04/2021 |
| M951 | Work | 12/29/2020 |
| M123 | Maintained | 11/15/2020 |
| M123 | Work | 11/15/2020 |
| M123 | Work | 11/15/2020 |
| M123 | Maint Req | 11/15/2020 |
