Ulyssa
@ulyssa
trying something new long form observations, thoughts and patterns. 1970s usa lesson: the industry ran on imported about 50-100% of minerals in 1975. the minerals that make modern industry machinery, cobalt for jet-engine alloys, niobium for high-strength steel, platinum-group metals for catalysts, etc. so sources ... Show more
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Britney
@britneyy
Superb
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