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  2. R-407C - Wikipedia

    en.wikipedia.org/wiki/R-407C

    While R407C presents environmental advantages over older refrigerants, it still requires careful handling: Global Warming Potential: Despite its lower GWP compared to R22, R407C contributes to global warming if released. Effective leak management and system maintenance are essential.

  3. List of New York City Subway R-type contracts - Wikipedia

    en.wikipedia.org/wiki/List_of_New_York_City...

    R22: 7300–7749 1957–1958 ... Door operator mechanism R65: Pump cars PC01–PC03 ... Replace Coney Island Yard cranes (planning MW104111)

  4. Frame and panel - Wikipedia

    en.wikipedia.org/wiki/Frame_and_panel

    The vertical members of the frame are called stiles while the horizontal members are known as rails. A basic frame and panel item consists of a top rail, a bottom rail, two stiles, and a panel. This is a common method of constructing cabinet doors and these are often referred to as a five piece door.

  5. Sliding glass door - Wikipedia

    en.wikipedia.org/wiki/Sliding_glass_door

    Sliding glass door frames are often made from wood, aluminum, stainless steel, or steel, which also have the most strength. The most common material is PVC plastic. Replacement parts are most commonly needed for the moving-sliding parts of the door, such as the steel rollers that glide within the track and the locking mechanisms.

  6. Tempered glass - Wikipedia

    en.wikipedia.org/wiki/Tempered_glass

    Tempered glass is used for its safety and strength in a variety of applications, including passenger vehicle windows (apart from windshield), shower doors, aquariums, architectural glass doors and tables, refrigerator trays, mobile phone screen protectors, bulletproof glass components, diving masks, and plates and cookware.

  7. Mullion - Wikipedia

    en.wikipedia.org/wiki/Mullion

    It is also often used as a division between double doors. When dividing adjacent window units its primary purpose is a rigid support to the glazing of the window. Its secondary purpose is to provide structural support to an arch or lintel above the window opening. Horizontal elements separating the head of a door from a window above are called ...

  8. Ogee - Wikipedia

    en.wikipedia.org/wiki/Ogee

    A building's surface detailing, inside and outside, often includes decorative moulding, and these often contain ogee-shaped profiles—consisting (from low to high) of a concave arc flowing into a convex arc, with vertical ends; if the lower curve is convex and higher one concave, this is known as a Roman ogee, although frequently the terms are used interchangeably and for a variety of other ...

  9. Architectural Glass and Aluminum - Wikipedia

    en.wikipedia.org/wiki/Architectural_Glass_and...

    Architectural Glass and Aluminum (AGA) is a specialty glazing contractor located in the United States. Architectural Glass & Aluminum provides engineering, design, fabrication, installation, and assembly services for custom glazing systems, such as Curtain Wall , Storefront, Punched Openings, and Window Wall.