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1.Take a plastic syringe. 2. Pull out its piston to have the maximum capacity in the syringe. 3. Plug the nozzle of the syringe, by fixing a rubber cork and then either holding it tightly with thumb or pressing it against the table. 4. Push the piston in, observe carefully and note how far you were able to push the piston, note the reading on the syringe or measure with the help of a scale.5. Remove the rubber cork and fill the syringe with water, oil and sand in turn.6. Repeat the process of plugging the nozzle and pushing the piston again for each of the material chosen respectively. |
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