IMHO, Every research or article on metals and mining should be profitable because they are applied sciences, but not basic sciences.
Metallurgy and mining have two criteria: process cost and profit. If there is no profit, then nothing needs to be done.
P.S. Metallurgy and mining (earth sciences) are applied sciences. Applied science is the application of existing scientific knowledge to practical applications, like technology or inventions [wikipedia].
Ph.D. Natalia Petrovskaya
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