Air purification, CRT displays, electrophoresis, electron multipliers, electrostatic filtration, film recorders, image intensifiers, ion pumps, inkjet printers, insulation testing, lasers, mass-spectrometry, projectors, photomultiplier tubes, piezoelectric devices, pockel’s cell drivers, scanners, scintillators, semiconductor processing, telecine, utility equipment and infrastructure testing, x-ray diffraction…..