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2. Utility location - Wikipedia

   en.wikipedia.org/wiki/Utility_location

   Most commonly used for non-potable water on farms however can be an outer duct for roadside utilities. Worksafe encourages the use of a 5mm wide or larger colored stripe to indicate the content of the black duct using one of the color codes above. A plain black microduct or 2-pair telephone cable is often used by Chorus for premises drop cables.

3. Pipe marking - Wikipedia

   en.wikipedia.org/wiki/Pipe_marking

   Example of pipe marking through colors and symbols (arrows) to indicated pipe contents (colors) and flow direction (arrows). Pipe marking on a natural gas pipe In the process industry , chemical industry , manufacturing industry , and other commercial and industrial contexts, pipe marking is used to identify the contents, properties and flow ...

4. Orangeburg pipe - Wikipedia

   en.wikipedia.org/wiki/Orangeburg_pipe

   In addition, fiber conduit was increasingly being used for underground ducting for distributing wires under streets and roads, particularly where they were being excavated to build subways, as well as along railroads. [1] Fiber was next adopted by the booming oil industry to pump salt waste-water from drilling sites to treatment and disposal ...

5. Utility tunnel - Wikipedia

   en.wikipedia.org/wiki/Utility_tunnel

   A utility tunnel, utility corridor, or utilidor is a passage built underground or above ground to carry utility lines such as electricity, steam, water supply pipes, and sewer pipes. Communications utilities like fiber optics, cable television, and telephone cables are also sometimes carried.

6. Color chart - Wikipedia

   en.wikipedia.org/wiki/Color_chart

   Color chips or color samples from a plastic pellet manufacturer that enables customers to evaluate the color range as molded objects to see final effects. A color chart or color reference card is a flat, physical object that has many different color samples present. They can be available as a single-page chart, or in the form of swatchbooks or ...

7. AOL Mail

   mail.aol.com/d?reason=invalid_cred

   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!

8. Underground mine ventilation - Wikipedia

   en.wikipedia.org/wiki/Underground_mine_ventilation

   An auxiliary ventilation system takes air from the flow-through system and distributes it to the mine workings via temporarily mounted ventilation fans, Venturi tubes and disposable fabric or steel ducting. Auxiliary fan and duct systems may be either forcing systems, where fresh air is pushed into mine headings, or exhausting systems that draw ...

9. Remove Banner Ads with Ad-Free AOL Mail | AOL Products

   www.aol.com/products/utilities/ad-free-mail

   SYSTEM REQUIREMENTS. Mobile and desktop browsers: Works best with the latest version of Chrome, Edge, FireFox and Safari. Windows: Windows 7 and newer Mac: MacOS X and newer Note: Ad-Free AOL Mail ...