Condition - Very Good The item shows wear from consistent use, but it remains in good condition and functions properly. Item may arrive with damaged packaging or be repackaged. It may be marked, have identifying markings on it, or have minor cosmetic damage. It may also be missing some parts/accessories or bundled items.
Pulleys and Gears (Simple Machines)
Used Book in Good Condition
Introduces the principles of pulleys and gears as simple machines, using examples from everyday life.
