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Step 2Getting the PVC Pipe
Now that the parabola is completed, let’s focus our attention to the pvc pipe. You can find one in your local hardware store or in a gardening shop. It is important that the length of the pvc pipe is greater than the length of the finished parabola.
In our particular case, we used a 1 metre long pvc pipe which had 5 cm of diameter (50 dm). Afterwards, get a black spray can. It is crucial that the type of paint chosen does not reflect light. In the project, we used jet black paint, so look it up.
Before painting, we passed the scrubbing sponge through all the pipe in order to make the paint more adherent to the pvc plastic.
Put on your protective mask and eyewear and start painting the pvc pipe. Remember to do this in a fully ventilated area!
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