Making support

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Saw the tube at 2.5 cm from the end. Saw it also near the piston. That will make it easy to extract. Wash the piston and place it the lower as possible. Get ready the water, the plaster, the container and a spatula. Plan 2 part of water for 3 part of plaster.

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Pour the water into the container. Sprinkle the water with the plaster. Mixt and wait 10 minutes. Fill the tube to the brim. As soon as it takes, stick the straw off centre and slanting.

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