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The telephone should never be placed near or over a radiator or heat register. The telephone should never be placed in a built-in installation unless proper ventilation is provided. 9. Never spill liquid on the telephone or push objects of any kind throughventilation slots. Liquid or objects may touch dangerous voltage points or short out parts that could result in a risk of fire or electrical shock. 2 10. Do not disassemble this product. Opening or removing covers may expose you to dangerous vo