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  2. ISO 7010 - Wikipedia

    en.wikipedia.org/wiki/ISO_7010

    ISO 7010 is an International Organization for Standardization technical standard for graphical hazard symbols on hazard and safety signs, including those indicating emergency exits. It uses colours and principles set out in ISO 3864 for these symbols, and is intended to provide "safety information that relies as little as possible on the use of ...

  3. Ridge vent - Wikipedia

    en.wikipedia.org/wiki/Ridge_vent

    A ridge vent is a type of vent installed at the peak of a sloped roof which allows warm, humid air to escape a building's attic. Ridge vents are most common on shingled residential buildings. Ridge vents are also used in industrial warehouses to help release the hot air and help circulate comfortable air inside the building .

  4. File:ISO 7010 W040 warning; roof avalanche.svg - Wikipedia

    en.wikipedia.org/wiki/File:ISO_7010_W040_warning;...

    Date/Time Thumbnail Dimensions User Comment; current: 21:01, 22 June 2024: 913 × 800 (49 KB): Maxi123ID: Reverted to version as of 13:07, 5 March 2022 (UTC) 12:47, 12 March 2022

  5. Warning signs your roof is not ready for spring storms - AOL

    www.aol.com/news/warning-signs-roof-not-ready...

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  6. Rain gutter - Wikipedia

    en.wikipedia.org/wiki/Rain_gutter

    A rain gutter may be a: Roof integral trough along the lower edge of the roof slope which is fashioned from the roof covering and flashing materials. Discrete trough of metal, or other material that is suspended beyond the roof edge and below the projected slope of the roof.

  7. Storm warning - Wikipedia

    en.wikipedia.org/wiki/Storm_warning

    In US maritime warning flag systems, a red square flag with a black square taking up the middle ninth of the flag is used to indicate a storm warning (the use of two such flags denotes a hurricane force wind warning or a hurricane warning). The same flag as a storm warning is used to indicate a tropical storm warning. On land, the National ...

  8. Severe thunderstorm warning - Wikipedia

    en.wikipedia.org/wiki/Severe_thunderstorm_warning

    In Canada, a severe thunderstorm is defined as having wind gusts of greater than 90 km/h (56 mph), hail with a diameter of greater than two centimetres (0.79 in), rainfall rates of greater than 50 millimetres (2.0 in) in one hour or greater than 75 millimetres (3.0 in) in three hours, or tornadoes. [14]

  9. Severe weather terminology (United States) - Wikipedia

    en.wikipedia.org/wiki/Severe_weather_terminology...

    Tropical storm warning TRW – Tropical storm conditions (gale- and storm-force sustained winds of 34 to 63 knots [39 to 72 mph; 63 to 117 km/h]) are expected within the specified coastal or inland area within 36 hours (24 hours for Guam, as locally defined by the NWS Forecast Office in Barrigada) in advance of the forecast onset of tropical ...

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