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- spray gun charged positive
- object charged negative
- paint particles attracted to object
- less painted wasted
- more even coverage
- used in manufacturing, car painting etc.

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Smoke particles pick up a negative charge. Smoke particles are attracted to the collecting plates.Collecting plates are knocked to remove the smoke particles.

Used to remove smoke particles from waste gases.

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A diagram for how photocopiers and in turn laser printers work (explains each step in detail)

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A machine that is usually used by paramedics to restart your heart if/when it stops. The intended purpose is to make the heart contract and shock it back to life.

- Two paddles with insulated handles are charged from a high voltage supply
- Put in good electrical contact with the patient’s chest

To prevent others from getting shocked, the handles are insulated.