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2. National Board of Boiler and Pressure Vessel Inspectors

   en.wikipedia.org/wiki/National_Board_of_Boiler...

   Pressure-retaining items can be registered with the National Board, requiring certain uniform quality standards be achieved certifying the manufacturing, testing, and inspection process. To obtain a certification the registered items have to be inspected by National Board-commissioned inspectors and built to required standards.

3. Chimney sweep - Wikipedia

   en.wikipedia.org/wiki/Chimney_sweep

   A chimney sweep in Wexford, Ireland in 1850. A chimney sweep is a person who inspects then clears soot and creosote from chimneys. The chimney uses the pressure difference caused by a hot column of gas to create a draught and draw air over the hot coals or wood enabling continued combustion. Chimneys may be straight or contain many changes of ...

4. National Chimney Sweep Guild - Wikipedia

   en.wikipedia.org/wiki/National_Chimney_Sweep_Guild

   The National Chimney Sweep Guild (NCSG) is a non-profit trade association for chimney sweeps and chimney and venting manufacturers in the United States and Canada. Based in Plainfield, Indiana , it has approximately 1,100 member companies.

5. Columbus Division of Fire - Wikipedia

   en.wikipedia.org/wiki/Columbus_Division_of_Fire

   Columbus has numerous historic fire station buildings that are still extant, repurposed for other uses. Stations built in the 1880s to 1890s include: [9] Engine House No. 5, built in 1894

6. Building inspection - Wikipedia

   en.wikipedia.org/wiki/Building_inspection

   A building inspection is an inspection performed by a building inspector, a person who is employed by either a city, township or county and is usually certified in one or more disciplines qualifying them to make professional judgment about whether a building meets building code requirements.

7. Chimney - Wikipedia

   en.wikipedia.org/wiki/Chimney

   A chimney pot is placed on top of the chimney to expand the length of the chimney inexpensively, and to improve the chimney's draft. A chimney with more than one pot on it indicates that multiple fireplaces on different floors share the chimney. A cowl is placed on top of the chimney to prevent birds and other animals from nesting in the ...