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2. Burial vault (enclosure) - Wikipedia

   en.wikipedia.org/wiki/Burial_vault_(enclosure)

   A burial vault encloses a coffin on all four sides, the top, and the bottom. Modern burial vaults are lowered into the grave, and the coffin lowered into the vault. A lid is then lowered to cover the coffin and seal the vault. Modern burial vaults may be made of concrete, metal, or plastic.

3. Child-resistant packaging - Wikipedia

   en.wikipedia.org/wiki/Child-resistant_packaging

   The child-resistant locking closure for containers was invented in 1967 by Dr. Henri Breault. [7]A history of accidents involving children opening household packaging and ingesting the contents led the United States Congress to pass the Poison Prevention Packaging Act of 1970, authored by U.S. Senator Frank E. Moss of Utah.

4. Door - Wikipedia

   en.wikipedia.org/wiki/Door

   A sliding glass door, sometimes called an Arcadia door or patio door, is a door made of glass that slides open and sometimes has a screen (a removable metal mesh that covers the door). Australian doors are a pair of plywood swinging doors often found in Australian public houses.

5. Display case - Wikipedia

   en.wikipedia.org/wiki/Display_case

   Display case shows and protects a painting by a follower of Robert Campin. A display case (also called a showcase, display cabinet, shadow box, or vitrine) is a cabinet with one or often more transparent tempered glass (or plastic, normally acrylic for strength) surfaces, used to display objects for viewing.

6. Ground glass - Wikipedia

   en.wikipedia.org/wiki/Ground_glass

   In motion-picture cameras, the ground glass is a small, usually removable piece of transparent glass that sits between the rotary disc shutter and the viewfinder. The ground glass usually contains precise markings to show the camera operator the boundaries of the frame or the center reticle, or any other important information. Because the ...

7. Sliding glass door - Wikipedia

   en.wikipedia.org/wiki/Sliding_glass_door

   To reduce their negative thermal impact on the living space, glass doors should have insulated frames and be double or triple glazed, with low-emissivity coatings and gas-filling (typically argon). Metal-framed glass doors should also have thermal breaks. The doors should be properly sized and protected (using shades, blinds, curtains and other ...