Description Research is about the teeth whitening toothpaste and charcoal, baking soda and lemon (we did an experiment to measure the color shading with (spectro-photometer) and for the roughness using […]
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Description Research is about the teeth whitening toothpaste and charcoal, baking soda and lemon (we did an experiment to measure the color shading with (spectro-photometer) and for the roughness using […]