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2. Fireplace insert - Wikipedia

   en.wikipedia.org/wiki/Fireplace_insert

   A fireplace insert [1] is a device that can be inserted into an existing masonry or prefabricated wood fireplace. Fireplace inserts can be fuelled by gas, wood, electricity, coal, or wood pallet. Most fireplace inserts are made from cast iron or steel. Fresh air enters through vents below the insert, where it then circulates around the main ...

3. Malleable Iron Range Company - Wikipedia

   en.wikipedia.org/wiki/Malleable_Iron_Range_Company

   Malleable was the first manufacturer to install a circulating fan in an oven designed for home use in 1967. [7] Oil shortages in the mid-1970s gave the company some increase in sales of its Add-a-Furnace wood-burning furnaces. These furnaces were designed to be connected to existing furnaces as a supplementary, or replacement, heat source for oil.

4. Fire door - Wikipedia

   en.wikipedia.org/wiki/Fire_door

   As well as ensuring the door is hung properly and squarely, it is also very important that where a fire door is installed, any gaps left in the opening between the wall and the door frame must be properly filled with fire resisting material. Fire doors are normally installed by a carpenter. In the UK the British Standard for timber fire door ...

5. Cast-iron architecture - Wikipedia

   en.wikipedia.org/wiki/Cast-iron_architecture

   A street in SoHo in New York City famous for its cast-iron facades. Spa Colonnade in Mariánské Lázně, 1889.Nearly every element is cast iron. Cast-iron architecture is the use of cast iron in buildings and objects, ranging from bridges and markets to warehouses, balconies and fences.

6. Firewall (construction) - Wikipedia

   en.wikipedia.org/wiki/Firewall_(construction)

   Firewall residential construction, separating the building into two separate residential units, and fire areas Example of a firewall used to inhibit the spread of a fire at an electrical substation. A firewall is a fire-resistant barrier used to prevent the spread of fire. Firewalls are built between or through buildings, structures, or ...

7. Door security - Wikipedia

   en.wikipedia.org/wiki/Door_security

   The Chula Vista Residential Burglary Reduction Project which studied over 1,000 incidents found that "methods found to have relatively low effectiveness included: sliding glass door braces, such as wooden dowels, as opposed to sliding door channel or pin locks; deadbolts installed in the front door only; and outdoor lights on dusk-to-dawn timers".