Give the names of emf sources available in market
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Some sources of electromagnetic field exposure are:
1. Electric fields - These emanate from anything that has voltage. For example, lamps, extension cords, electric wiring and electrical appliances.
2. Magnetic fields - They can occur when there is an imbalance in the electrical wiring or around electrical motors. For example, the motor in the refrigerator, the main power meter of the house, and electric clock radios.
3. Power lines above or below the ground.
4. Metal plumbing can carry a current.
5. Wireless communications - This includes cell phones, wireless routers, smart meters, cell towers, and cordless phones.
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