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The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool which has been used since ancient times.It was used in the ancient Near East, Europe, China, and Russia, centuries before the adoption of the Arabic numeral system. The exact origin of the abacus has not yet emerged. It consists of rows of movable beads, or similar objects, strung on a wire.
China is taking decisive steps to protect itself from a widening U.S. technology ban, with imports of computer chips and the machines that make them surging last year.
A sperm extractor from China went viral online recently. The machine promises a hands-free solution for donation and diagnosis alike.
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Liquid Adding Machine Introduction and Application. SYTV series automatic liquid adding machine is essential equipment in processing animal feed. It is used to automatically adding grease, ammonia acid and other nutrients during feedstuff mixing process and meant to provide high quality feed. Therefore, this automatic equipment is widely ...
The people of Europe studied machines from Greece, China, Egypt, Rome, and the Middle East. And they began reinventing, reconstructing, and reusing new machines by taking cues from the ancient machines. In the course of time, the ancient machines gradually evolved and oils were developed to have moving parts in machines increasing its efficiency.
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