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What are mineral drugs?

What are mineral drugs? Chemical constituents of minerals in traditional Chinese medicine. Most mineral drugs are compounds containing heavy metal elements. The main ingredients include arsenic, lead, mercury, copper, iron, magnesium, aluminum, calcium, silicate, sulfate, and other ingredients. What drugs Read more…

Is Corner twisting cheating?

Is Corner twisting cheating? In accordance with regulation 5b3c: “If the puzzle is unsolvable, and can be made solvable by rotating a single corner piece, the competitor may correct the corner piece by twisting it in place without disassembling the Read more…