11 lighting systems, namely, fiber optic light and image conduits and illumination sources for use therewith; fiber optic lighting units for providing workpiece illumination and illuminating workpieces for video camera viewings; air purifying unit for industrial use; fume extraction systems for hand-held soldering irons, soldering work stations, production soldering equipment, laboratory work stations, medical procedure areas and fume-producing works stations; portable solder fume extraction units for positioning on hand-held soldering irons or within or adjacent to soldering work stations for use in connection with the production, repair, diagnosis and testing of printed circuit boards and electronic components