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  2. Trickle vent - Wikipedia

    en.wikipedia.org/wiki/Trickle_vent

    A trickle vent is a very small [quantify] opening in a window or other building envelope component to allow small amounts of ventilation in spaces intended to be naturally ventilated when major elements of the design—windows, doors, etc.—are otherwise closed.

  3. Owens Corning - Wikipedia

    en.wikipedia.org/wiki/Owens_Corning

    In 1985, Owens-Corning acquired Aerospace and Strategic Metals Group in Newport Beach, California for $415 million from Armco Inc. [16] [17] The color PINK was trademarked through Owens-Corning in 1986, making it the first company to trademark a color. By 1990, Owens-Corning was the defendant in about 84,500 asbestos-related lawsuits.

  4. Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Heating,_ventilation,_and...

    Rooftop HVAC unit with view of fresh-air intake vent Ventilation duct with outlet diffuser vent. These are installed throughout a building to move air in or out of rooms. In the middle is a damper to open and close the vent to allow more or less air to enter the space. The control circuit in a household HVAC installation.

  5. 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 ...

  6. Category:Corning Inc. - Wikipedia

    en.wikipedia.org/wiki/Category:Corning_Inc.

    Corning Inc.—a glassmaking and hardware manufacturing company based in Corning, New York. ... Owens Corning; A. Alliance Fiber Optic Products; B. Bay State Glass Co.

  7. Owens Corning Acquires Spray Foam Manufacturer Natural ... - AOL

    www.aol.com/owens-corning-acquires-spray-foam...

    Owens Corning Inc (NYSE: OC) has agreed to acquire Natural Polymers, LLC, a manufacturer of spray polyurethane foam insulation for building and construction applications, based in Cortland, Illinois.

  8. Ventilation shaft - Wikipedia

    en.wikipedia.org/wiki/Ventilation_shaft

    Chipping Sodbury Tunnel ventilation shaft Swan St. ventilation shaft on the Burnley Tunnel Ventilation shafts of the Velser tunnel, the Netherlands. In subterranean civil engineering, ventilation shafts, also known as airshafts or vent shafts, are vertical passages used in mines and tunnels to move fresh air underground, and to remove stale air.

  9. Underground mine ventilation - Wikipedia

    en.wikipedia.org/wiki/Underground_mine_ventilation

    An auxiliary ventilation system takes air from the flow-through system and distributes it to the mine workings via temporarily mounted ventilation fans, Venturi tubes and disposable fabric or steel ducting. Auxiliary fan and duct systems may be either forcing systems, where fresh air is pushed into mine headings, or exhausting systems that draw ...