“electrically • Additional • Against • Amplify • Both • Certain • Characteristic • Compared • Completely • Conductor.” • Considered • Create • Current • Easy • Electromagnetic • Enable • Excellent • Exhibit • Extremely • Facilitate • Flow • Forms • Gases • Glass • Hammers • Have • High • How • Identical • Inability • Insulation • Insulators • Interference • Its • Layer • Like • Liquids • Make • Opposite • Perfect • Same • Selective • Semiconductors • Shell • Superconductors • Superior • Tools • Transmission • Vacuum • Yes