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  2. Window deflector - Wikipedia

    en.wikipedia.org/wiki/Window_deflector

    Based on the way wind deflectors are installed, they may be classified as follows: In-Channel This type of deflectors is installed into the upper window channel, and is kept in place due to tension. In some applications, this type of deflector also employs a thin stripe of automotive-grade 3M tape to keep the deflector in place. Stick-on

  3. Chimney - Wikipedia

    en.wikipedia.org/wiki/Chimney

    Class A are either an insulated, double wall stainless steel pipe or triple wall, air-insulated pipe often known by its genericized trade name Metalbestos. Class B are uninsulated double wall pipes often called B-vent, and are only used to vent non-condensing gas appliances. These may have an aluminum inside layer and galvanized steel outside ...

  4. Ventilation (architecture) - Wikipedia

    en.wikipedia.org/wiki/Ventilation_(architecture)

    The furnace, built on the outside of the workshop, featured earthen pipe-like air vents with hundreds of tiny holes in them and a prototype chimney to ensure air goes into the furnace to feed the fire and smoke comes out safely. [39] Passive ventilation and passive cooling systems were widely written about around the Mediterranean by Classical ...

  5. Smoke hole - Wikipedia

    en.wikipedia.org/wiki/Smoke_hole

    A smoke hole (smokehole, smoke-hole) is a hole in a roof for the smoke from a fire to vent. [1] Before the invention of the smoke hood or chimney, many dwellings had smoke holes to allow the smoke from the hearth to escape. Pre-modern English homes with unglazed windows or thatch roofs required no special vent for smoke. These structures ...

  6. Leonard Peltier, Native American activist, is released from ...

    www.aol.com/leonard-peltier-native-american...

    Leonard Peltier, the Native American activist who has always maintained his innocence in the killing of two FBI agents 50 years ago, was released Tuesday morning from a federal prison in Florida ...

  7. Passive ventilation - Wikipedia

    en.wikipedia.org/wiki/Passive_ventilation

    The device was found to provide sufficient ventilation air flow for a single family home and heat recovery with an efficiency around 40%. The device was however found to be too large and heavy to be practical, and the heat recovery efficiency too low to be competitive with mechanical systems of the time. [8]