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ileaha added a news bookmark.Legendary artist and scientist Leonardo da Vinci, who conducted the first systematic study of friction, has always been credited as the pioneer in Tribology. But while his famou...Over 4 years ago
ileaha added a news bookmark.The Pallas’s cat is a small-sized wild cat species that lives in the remote steppes and mountains of Central Asia. Excessive hunting of the animals that are coveted for their th...Over 4 years ago
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