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Safety icons: Memory
Safety and electricity is an ideal combination. Test your knowledge of safety pictograms with a playful pictogram memory. Hurry and focus, because this memory game records the elapsed time and the number of attempts.
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Converting formulas: Explanation video
in this video some formulas are transformed step by step. Transforming formulas is discussed in subjects such as mathematics, mechanics, physics, chemistry, ... In the video, mathematical formulas are mainly transformed, but the method can be …
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