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Comments by great_concept
| Comment | Post | Date |
|---|---|---|
| I discovered that the first syringe to inject medicine into the body with one hand was invented... | #25 Best inventions! | 11/3/22 |
| Comment | Post | Date |
|---|---|---|
| I discovered that the first syringe to inject medicine into the body with one hand was invented... | #25 Best inventions! | 11/3/22 |