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  2. Photovoltaic mounting system - Wikipedia

    en.wikipedia.org/wiki/Photovoltaic_mounting_system

    PV panels mounted on roof Workers install residential rooftop solar panels. The solar array of a PV system can be mounted on rooftops, generally with a few inches gap and parallel to the surface of the roof. If the rooftop is horizontal, the array is mounted with each panel aligned at an angle.

  3. Stevenson screen - Wikipedia

    en.wikipedia.org/wiki/Stevenson_screen

    The interior size of the screen will depend on the number of instruments that are to be used. A single screen may measure 76.5 by 61 by 59.3 cm (30.1 by 24.0 by 23.3 in) and a double screen 76.5 by 105 by 59.3 cm (30.1 by 41.3 by 23.3 in). The unit is either supported by four metal or wooden legs or a wooden post.

  4. Shading coefficient - Wikipedia

    en.wikipedia.org/wiki/Shading_coefficient

    Shading coefficient (SC) is a measure of thermal performance of a glass unit (panel or window) in a building. It is the ratio of solar gain (due to direct sunlight) passing through a glass unit to the solar energy which passes through 3mm Clear Float Glass. [ 1 ]

  5. Gauge (instrument) - Wikipedia

    en.wikipedia.org/wiki/Gauge_(instrument)

    Strain gauge: a device used to measure the strain of an object. Thread pitch gauge, also called a threading gauge, pitch gauge, or screw gauge a device used to measure the pitch or lead of screw threads. Vernier height gauge: a measuring device used either for determining the height of something, or for repetitious marking of items to be worked on.

  6. Micrometer (device) - Wikipedia

    en.wikipedia.org/wiki/Micrometer_(device)

    V mics are outside mics with a small V-block for an anvil. They are useful for measuring the diameter of a circle from three points evenly spaced around it (versus the two points of a standard outside micrometer). An example of when this is necessary is measuring the diameter of 3-flute endmills and twist drills.

  7. Weather station - Wikipedia

    en.wikipedia.org/wiki/Weather_station

    Anemometer for measuring wind speed; Pyranometer for measuring solar radiation; Rain gauge for measuring liquid precipitation over a set period of time. Wind sock for measuring general wind speed and wind direction; Wind vane, also called a weather vane or a weathercock: it shows which way the wind is blowing. Evaporation pan for measuring ...

  8. Why it's important to find shade when it's hot and sunny out

    www.aol.com/lifestyle/why-important-shade-sunny...

    The inside of the car will become even hotter than the outside temperature, making it very dangerous (and even deadly) for those inside. That’s why you should never leave a child or pet in a car.

  9. Theodolite - Wikipedia

    en.wikipedia.org/wiki/Theodolite

    A theodolite (/ θ i ˈ ɒ d ə ˌ l aɪ t /) [1] is a precision optical instrument for measuring angles between designated visible points in the horizontal and vertical planes. The traditional use has been for land surveying , but it is also used extensively for building and infrastructure construction , and some specialized applications such ...

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