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• Metal buttons with dyed-to-match plastic rims
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• Shoulder-to-shoulder taping
• Front pouch pockets
Technetium Element Unisex T-Shirt (First Element Humans Produced) 100% • Metal buttons with dyed-to-matchFrom the 1860s through 1871, early forms of the periodic table proposed by Dmitri Mendeleev contained a gap between molybdenum (element 42) and ruthenium (element 44). In 1937, Technetium (specifically the technetium 97 isotope) became the first predominantly artificial element humans produced, hence its name (from the Greek , technetos, from techne, as in "craft", "art" and having the meaning of "artificial. Technetium 97 is the most stable
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