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devices that use waves
what devices use radio waves
devices that use radio waves
what devices use infrared waves
devices that use electromagnetic waves
devices that use infrared waves
what devices use ultraviolet waves
devices that use sound waves
devices that use visible light waves
devices that use waves, what devices use radio waves, devices that use radio waves, what devices use infrared waves, devices that use electromagnetic waves, devices that use infrared waves, what devices use ultraviolet waves, devices that use sound waves, devices that use visible light waves
