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2. Lustron house - Wikipedia

   en.wikipedia.org/wiki/Lustron_house

   A steel framing system was devised consisting of vertical steel studs and roof-ceiling trusses to which all interior and exterior panels were attached. The concept of prefabricated housing was well established by firms such as The Aladdin Company , Gordon-Van Tine Company , Montgomery Ward , and Sears in the early 1900s.

3. High-speed door - Wikipedia

   en.wikipedia.org/wiki/High-speed_door

   In North America, the Door and Access Systems Manufacturing Association (DASMA) defines high-performance doors as non-residential, powered doors, characterized by rolling, folding, sliding or swinging action, that are either high-cycle (minimum 100 cycles/day) or high-speed (minimum 20 inches(508 mm)/second), and two out of three of the ...

4. Mantrap (access control) - Wikipedia

   en.wikipedia.org/wiki/Mantrap_(access_control)

   Entrance to HM Prison Edinburgh. A mantrap, security mantrap portal, airlock, sally port or access control vestibule is a physical security access control system comprising a small space with two sets of interlocking doors, such that the first set of doors must close before the second set opens.

5. AOL.com - News, Sports, Weather, Entertainment, Local & Lifestyle

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   AOL latest headlines, entertainment, sports, articles for business, health and world news.

6. Rhodes State Office Tower - Wikipedia

   en.wikipedia.org/wiki/Rhodes_State_Office_Tower

   [17] [11] Towards the back of the lobby is a stainless steel recreation of the Great Seal of Ohio. [11] The floorplans of the building are column-free, 144 feet square. All of the building's elevators (20 for passengers and two for freight [ 11 ] ) and service shafts were designed outside of the square office space, at the north and east (back ...

7. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!