Related by context. Frequent words. (Click for all words.) 59 florescent light 55 fluorescent light 54 halogen lamps 53 dimmer switches 52 halogen lights 51 compact fluorescent lighting 50 emit 50 ultra violet rays 49 emitted 49 patio heaters 49 halogens 48 Ultraviolet light 48 florescent lights 48 emitting 48 ultraviolet UV light 48 flourescent 48 fluorescent bulb 47 fluorescent bulbs 47 fluorescent tube 47 sodium vapor 47 fluorescent lights 46 Tanning beds 46 Drengenberg 46 UV light 46 fluorescent lamp 46 ultraviolet UV radiation 46 fluorescent 45 fluorescent lamps 45 lightbulbs 45 efficient lightbulbs 45 halogen bulbs 45 electrically heated 45 ionizing 45 nonflammable 45 Quantum dots 45 light bulbs 45 sulfur hexafluoride 45 mercury vapor 45 ultraviolet 44 ultraviolet rays 44 lamps 44 UV lamps 44 UVB radiation 44 EMFs 44 ultraviolet light 44 flame retardant chemicals 44 florescent 44 bulbs 44 kerosene lanterns 43 halogen lamp 43 LEDs light emitting 43 aerosol sprays 43 compact fluorescent bulbs 43 microwaves 43 Prolonged exposure 43 ultraviolet radiation 43 metal halide 43 High Intensity Discharge 43 pollutants emitted 43 watt bulbs 43 electric toothbrushes 43 fluorescent tubes 43 compact fluorescent bulb 43 fluoresce 43 watt incandescent bulbs 43 Cosmic rays 43 UV rays 43 ionised 43 ultra violet 42 microwave radiation 42 ultrafine particles 42 photoelectric 42 UVA radiation 42 air conditioners refrigerators 42 radiation emitted 42 fluorescent lighting 42 harmful chemicals 42 LED lights 42 compact fluorescent 42 bulb 42 compact fluorescent lights 42 halogen 42 candle flame 42 watt light bulb 42 bulbs CFLs 42 incandescent lighting 42 potentially harmful 42 containing DEET 42 electroluminescent 42 nonstick cookware 42 phosphors 42 Gamma rays 42 zappers 41 unshielded 41 CFL bulb 41 dimmers 41 ultrasonic waves 41 ultra violet light 41 fluorescents 41 light emitting diodes LEDs 41 sun ultraviolet rays