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  2. 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 ...

  3. Fireplace insert - Wikipedia

    en.wikipedia.org/wiki/Fireplace_insert

    Separate adjustable air vents control airflow into the firebox which then exits through a chimney. Typical fireplace inserts have insulated glass doors that allow the fire to be viewed while closed, improving its heat output and fuel efficiency while maintaining ambiance of a traditional fireplace. [ 1 ]

  4. Turning vanes (HVAC) - Wikipedia

    en.wikipedia.org/wiki/Turning_vanes_(HVAC)

    HVAC turning vanes are sheet metal devices inside of mechanical ductwork used to smoothly direct air inside a duct where there is a change in direction, by reducing resistance and turbulence. See also

  5. 20 genius gifts that make life easier, from lawn work to laundry

    www.aol.com/lifestyle/gifts-that-make-life...

    The containers also have lids with adjustable air vents and can be easily stacked. The vents can be used to regulate air flow and control humidity to keep your fruits and veggies fresh for up to ...

  6. Duct (flow) - Wikipedia

    en.wikipedia.org/wiki/Duct_(flow)

    Ducts for air pollution control in a 17000 standard cubic feet per minute regenerative thermal oxidizer (RTO). A round galvanized steel duct connecting to a typical diffuser Fire-resistance rated mechanical shaft with HVAC sheet metal ducting and copper piping, as well as "HOW" (Head-Of-Wall) joint between top of concrete block wall and underside of concrete slab, firestopped with ceramic ...

  7. Walmart's best early Black Friday deals under $100: Save on ...

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    This jack-of-all-trades performs four crucial kitchen functions: air-frying, roasting, reheating and dehydrating. The basket is deep enough to fit a slew of chicken chunks, and easy to clean.

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