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Products > help > Changsha Fanli Edusupports Co.,Limited | Similar Products
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Mechanices

Mechanices
helpful in most cases. As a force, friction depends on two external factors. One, Friction is dependent on the smoothness or roughness of the two surfaces between in contact with each other. When the ...

Measuring Tools for General Science in Middle Schools

Measuring Tools for General Science in Middle Schools
help you easily perform timing work. This Mechanical Stopwatch Timer is wound up by hand. This Mechanical Stopwatch Timer can maintain normal operation in the -10℃ to +40℃ temperature range. Carry ...
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