| 1 | The graduations are marked on the side of the flask. | |
| 2 | There is some deposit in the bottom of the flask . | |
| 3 | What horrors will come creeping out of the flask on the laboratory bench? | |
| 4 | And that is an Erlenmeyer flask that has been filled with chlorine and sodium has been added to it. | |
| 5 | Make your own sandwiches, refill your water or juice bottle, nick your granny's flask and make your own coffee for lectures. |
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