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SKU: ERSMEA05680
iii : All fact groups presented
attendance records and grades for 40 weeks of schoolIt also includes a student roster
You can even write on it with dry-erase markers
Apple Green and White
Simple Machines Gear Train Latex-Free Rubber SKU: ERSMEA05680MPN: 005646 UPC: 895452001442 This device illustrates the workings of a system of gears. When you turn one gear, the meshed teeth cause the other gears to rotate as well. The second gear turns in the opposite direction as the first, and the third gear turns in the same direction as the first. By meshing together a series of gears, you can transmit force from one place to another, as well as change in the direction of applied motion. This classic
