| A | B |
|---|
| aperture | a gap, slit, or other opening |
| apparatus | tools or equipment for a specific use |
| centrifuge | a machine that spins and separates a substance |
| component | any of the parts that together make up a whole |
| gauge | a tool for measuring; to measure |
| generator | a machine that changes mechanical energy into electrical energy |
| laser | a device that produces an intense beam of light |
| mechanism | the arrangement of connected parts in a machine |
| prism | a piece of transparent material that bends and spreads out light |
| treadmill | a machine with a wheel or a revolving belt |
