Electrostatic discharge (ESD) apparatus for electric current control in the form of floor mats for electrical grounding purposes; Electrostatic discharge (ESD) apparatus for electric current control in the form of tabletop mats for electrical grounding purposes; Electrostatic discharge (ESD) apparatus for electric current control in the form of wrist straps for electrical grounding purposes; Metal grounding bushings and metal grounding clamps, both for use only as parts and fittings for coaxi...