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2. Precast concrete - Wikipedia

   en.wikipedia.org/wiki/Precast_concrete

   Precast concrete is a construction product produced by ... hand holes, hollow-core products, light pole bases, meter boxes ... Panels of 9-foot clear height are ...

3. Pole building framing - Wikipedia

   en.wikipedia.org/wiki/Pole_building_framing

   Poles, from which these buildings get their name, are natural shaped or round wooden timbers 4 to 12 inches (100 to 300 mm) in diameter. [4] The structural frame of a pole building is made of tree trunks, utility poles, engineered lumber or chemically pressure-treated squared timbers which may be buried in the ground or anchored to a concrete slab.

4. Overhead power line - Wikipedia

   en.wikipedia.org/wiki/Overhead_power_line

   Tubular steel poles are typically used in urban areas. High-voltage lines are often carried on lattice-type steel towers or pylons. For remote areas, aluminum towers may be placed by helicopters. [4] [5] Concrete poles have also been used. [1] Poles made of reinforced plastics are also available, but their high cost restricts application.

5. Transmission tower - Wikipedia

   en.wikipedia.org/wiki/Transmission_tower

   A reinforced concrete pole in Germany. Concrete pylons are used in Germany normally only for lines with operating voltages below 30 kV. In exceptional cases, concrete pylons are used also for 110 kV lines, as well as for the public grid or for the railway traction current grid. Concrete poles for medium-voltage are also used in Canada and the ...

6. Guyed mast - Wikipedia

   en.wikipedia.org/wiki/Guyed_mast

   Zendstation Smilde, Netherlands, is a 303 m (994 ft) partially guyed tower that consists of an 80 m (260 ft) high reinforced concrete tower topped since 2012 by a 223 m (732 ft) steel lattice television mast

7. AOL Mail

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   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!