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2. Metal roof - Wikipedia

   en.wikipedia.org/wiki/Metal_roof

   Standing seam metal roofs can have a lower pitch than asphalt shingle roofs because shingled roofs need a higher pitch to keep the wind from blowing up the shingles and potentially blowing them off in high winds. Standing seam metal roofs come in sheets up to or sometimes more than 30 feet (9.1 m) long and widths of 12, 14, 16 or 18 inches (300 ...

3. List of concentrating solar thermal power companies - Wikipedia

   en.wikipedia.org/wiki/List_of_concentrating...

   This is a list of concentrating solar thermal power (CSTP) companies. The CSTP industry finished a first round of new construction during 2006/7, a resurgence after more than 15 years of commercial dormancy. [1] The CSTP industry saw many new entrants and new manufacturing facilities in 2008.

4. Solar power - Wikipedia

   en.wikipedia.org/wiki/Solar_power

   Solar power, also known as solar electricity, is the conversion of energy from sunlight into electricity, either directly using photovoltaics (PV) or indirectly using concentrated solar power. Solar panels use the photovoltaic effect to convert light into an electric current . [ 2 ]

5. Retort stand - Wikipedia

   en.wikipedia.org/wiki/Retort_stand

   In chemistry, a retort stand, also called a clamp stand, [1] a ring stand, [2] or a support stand, [3] is a piece of scientific equipment intended to support other pieces of equipment and glassware — for instance, burettes, test tubes and flasks. [4] The typical ring stand consists of a heavy base and a vertical rod, both usually made of metal.

6. Martin Lake Power Plant - Wikipedia

   en.wikipedia.org/wiki/Martin_Lake_Power_Plant

   Martin Lake Power Plant is a 2,250-megawatt coal power plant located southwest of Tatum, Texas, in Rusk County, Texas. [1] The plant is owned by Luminant. [2] It began operations in 1977.