| http://www.w3.org/ns/prov#value | - An amount of attenuation of the electric fields will depend on factors such as a frequency and wavelength of the electromagnetic signals, the conductivity and permeability of the metal, its distance from the antenna and, if the wavelength of the electromagnetic signals is on the order of the thickness of the metal plate, sheet or layer 110, a thickness of the metal plate, sheet or layer 110.
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