9 Industrial Construction X-Ray Equipment and Accessories-Namely, Batteries, Battery Chargers, X-Ray Cassettes, X-Ray Picture Hangers, X-Ray Clamping Magnets, Densitometers, Dosimeters, X-Ray Drying Cabinets, X-Ray Development Units, Temperature Control Units, X-Ray Exposure Calculators, Electromagnets, X-Ray Film Viewers, X-Ray Film Squeegees, X-Ray Film Hoppers, X-Ray Film Cutters, X-Ray Hanger Bars and Clips, X-Ray Hanger Brackets, X-Ray Image Quantity Indicators, X-Ray Image Indicators-Namely, Sensitivity Calculators, Isotope Containers; Lead Markers, Lead Marker Boxes, Lead Marker Tapes, Lead Intensifying Screens and Lead Sheets All Used in X-Ray Technology; Magnets, Magnetic Particle Crack Detection Equipment and Accessories-Namely, Measuring Eyepieces, Used for Determining Defects, Penetrameters, Personal (Pocket) Radiation Alarm Monitors, Processing Units for X-Ray Pictures, Radiation Survey Meters; Radiation Enclosure Areas-Namely, Four Walled and Roofed Enclosed Areas in which Radiation Related Testing and Research Takes Place so as Not to Endanger Surrounding Areas; Tension Hangers for Holding X-Rays, Thermometers, Timers and Stop Watches for X-Ray Pictures, X-Ray Film Viewers, X-Ray Control Units, Power Driven X-Ray Units for Use in Pipelines for Inspection Purposes, Ultrasonic Calibration Blocks Used for the Inspection of Structures and Machinery for Damages and/or Defects, Lead Sheets for Medical Laboratory X-Ray Technology and Warning Beacons, X-Ray Channel Hangers, X-Ray Film Trimmers, Ultra-Violet Lights for the Detection of Damage and/or Defects in Structure and Ultra-Violet Bulbs for Use with Such Ultra-Violet Lights