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.
Engineers Build Models (Engineering Close-up)
Models play an important role in engineering. Models are used to test and improve designs. Readers will learn how engineers use different kinds of models and identify how a model and its subject are alike and how they are different.
