Electrostatic neutralizers and ionizers; electrostatic chargers and ion generators; electrostatic ionizing air guns, blowers and nozzles; electrostatic ionizing clean rooms and cabinets; electrostatic laminating apparatus; electrostatic copyboards; electrostatic pinning and hold-down apparatus; AC and DC power supplies; electrostatic locators and checkers for use in measuring and monitoring electrostatic charge and electrostatic conductive materials and articles made from such materials, namely, grounding straps, rods and applicators, safety mats and table tops, safety bags, trays, covers and liners; press web and sheet cleaners