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Blasting In Progress No Entry
Blasting In Progress When Light Is Flashing
Blasting Keep Away
Blasting Site
Blasting Today
Blind Intersection Proceed Slowly
Boiler Room
Boiler Room Authorized Personnel Only
Boiler Room Keep Authorized Personnel
Boiler Room Mechanical Room Not An Exit
Both Sides Of Switch Always Energized
Bulk Oxygen Storage
Buried Cable
Buried Cable Call Before Digging #811
Buried Electrical
Buried Electrical Below
Burn Ban In Effect
Cable Buried Here
Cancer Hazard Authorized Personnel Only
Capacitor Circuit Capacitors Can Remain
Capacitor Connected Within This Disconnect
Carbon Dioxide
Carbon Dioxide Gas Discharge
Carbon Dioxide Gas Fire
Carbon Dioxide Gas Ventilate
Carbon Monoxide
Carbon Monoxide (CO) Gas May
Caustic
Caustic Area Goggles Required
Caustic Cleaning Keep Out
Caustic Soda
Caustic Solution Wear Gloves When Handling
Caustic Wear Protective Equipment
Caution Archery Range Do Not Enter
Caution Automatic Door [Left Arrow]
Caution Automatic Door [Right Arrow]
Caution Automatic Door [Up Arrow]
Caution Automatic Fire Extinguisher Used Inside
Caution Battery Charging Supplies
Caution Beware Of Jet Blast Props And Rotors
Caution Buried Cable
Caution Do Not Enter If Alarm Is Sounding
Caution Electrical Shock Hazard
Caution Fiber Optic Cable
Caution FM-200 System Discharge Alarm Do