Eisco Newton's Cradle Collision Balls

Nickel - A corrosion resistant conductive metal

Diameter - A measurement across a circle passing through the middle

Steel - An alloy made predominately of Iron combined with <2% carbon

Quality - An object that has quality is superior in function and finish than a less quality object.

Pendulum - A heavy hung weight that swings back and forth, for example in a clock.

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