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2. Emergency vehicle lighting - Wikipedia

   en.wikipedia.org/wiki/Emergency_vehicle_lighting

   Emergency vehicle lighting, also known as simply emergency lighting or emergency lights, is a type of vehicle lighting used to visually announce a vehicle's presence to other road users. A sub-type of emergency vehicle equipment , emergency vehicle lighting is generally used by emergency vehicles and other authorized vehicles in a variety of ...

3. Neon lighting - Wikipedia

   en.wikipedia.org/wiki/Neon_lighting

   Neon lights are a type of cold cathode gas-discharge light. A neon tube is a sealed glass tube with a metal electrode at each end, filled with one of a number of gases at low pressure. A high potential of several thousand volts applied to the electrodes ionizes the gas in the tube, causing it to emit colored light. The color of the light ...

4. Neon sign - Wikipedia

   en.wikipedia.org/wiki/Neon_sign

   Neon lighting quickly became a popular fixture in outdoor advertising. The signs – dubbed "liquid fire" – were visible in daylight; people would stop and stare. [ 21 ] What may be the oldest surviving neon sign in the United States, still in use for its original purpose, is the sign "Theatre" (1929) at the Lake Worth Playhouse in Lake Worth ...

5. Neon lamp - Wikipedia

   en.wikipedia.org/wiki/Neon_lamp

   A General Electric NE-34 glow lamp, manufactured circa 1930. Neon was discovered in 1898 by William Ramsay and Morris Travers.The characteristic, brilliant red color that is emitted by gaseous neon when excited electrically was noted immediately; Travers later wrote, "the blaze of crimson light from the tube told its own story and was a sight to dwell upon and never forget."

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Trailer connectors in North America - Wikipedia

   en.wikipedia.org/wiki/Trailer_connectors_in...

   SAE J560 is typically used on heavy duty trucks and trailers with pneumatic brakes where only the power to the ABS unit and indication of braking by brake light signal is required. The brakes themselves are controlled using air pressure. SAE J560 was introduced in 1951, which means that older heavy duty vehicles (vintage) may have other ...