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หมวดหมู่สินค้า : EF KINEMATICSThe EF-4.1 Pulleys experiments kit introduces students to various types of pulleys including fixed, movable and compound pulleys. These experiments sh -
หมวดหมู่สินค้า : SV SERIES - STATICS & VIBRATIONSThe dual diameter wheel has an axle supported on simple pivots in a sturdy wall mounting bracket. Each wheel has a cord wrapped around its periphery.
