Book (Practical) History and geography Sand and mankind

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History and Geography
"Sand," which we don't pay much attention to as something familiar in our daily life, was actually an indispensable and precious resource in modern civilization! This book depicts the unknown history as a resource of "sand," which is used in various scenes of modern times such as concrete, glass, semiconductor silicon chip, etc., and warns against the current crisis of "sand," which is a theory of modern civilization without any other book.