Description
place value
airbag electronic control unit
46mm copper wire on a 9mm soft-iron U-form core
Ten-inch high-speed low-friction pulley on a 12mm aluminum rod
Bar Breaking Thermal Expansion and Contraction Apparatus Light & Optics_Color place valueTensioned steel rod in a heavy iron frame breaks a brittle iron cross rod as cooling contraction pulls it taut, visualizing the forces at play during thermal contraction.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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