Ключевые слова: 42, alloy, assay, atomic, background, basic material, chemical element, chemistry, chunk, element, elemental, energy, fine, geologist, geology, high purity, highly pure, industrial, industrial metal, industry, isolated, lump, lustrous, mashed potato, material, metal, metalloid, mineral, minerals, mining, minor, mo, molybdenite, molybdenum, nature, nonferrous, number, periodic system, periodic table, pray, purity, rare, raw, raw material, silvery, stone, symbol, very pure, white background,