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Fire doors are sometimes rendered unable to provide their listed fire resistance by ignorance of the intended use and associated restrictions and requirements, or by improper use. For example, fire doors are sometimes blocked open, or carpets are run through them, which would allow the fire to travel past the fire barrier in which the door is ...
This is because most of the hot air generated by the fire travels up the chimney due to convection. A traditional fireplace can also draw hot air in from the room and expel it through the chimney, further lowering the efficiency. The design of the direct vent fireplace allows for such a high level of efficiency because of the sealed firebox.
Manufactured fireplaces are made with sheet metal or glass fire boxes. Electric fireplaces can be built-in replacements for wood or gas or retrofit with log inserts or electric fireboxes. A few types are wall mounted electric fireplaces, electric fireplace stoves, electric mantel fireplaces, and fixed or free standing electric fireplaces.
Fire Department Supply and Linen Hose Section of the War Industries Board recommended that for the duration of the war "hydrants, hose valves, hose couplings, nipples, and nozzles 1 + 1 ⁄ 4-inch to 2-inch, inclusive, to be iron pipe thread for new work, hose gauge or special threads only to be used for replacement or extension of existing ...
A fume hood (sometimes called a fume cupboard or fume closet) is a type of local exhaust ventilation device that is designed to prevent users from being exposed to hazardous fumes, vapors, and dusts.
The name probably derives from early neutron-deflection experiments, when the uranium nucleus was described, and the phrases "big as a barn" and "hit a barn door" were used. Barn are typically used for cross sections in nuclear and particle physics. Additional units include the microbarn (or "outhouse") [16] and the yoctobarn (or "shed"). [17] [18]
Compared with the other rooms in the mansion, the drawing room has deeper windows; its marble fireplace mantel is decorated with plain columns and a linear relief pattern. There are also a service door to the north and windows to the east. [358] To the left of the foyer, at the rear of the house, is a dining room [42] that seats 22 people. [109]
The first five-door SUV produced by Ford, the Explorer was introduced as a replacement for the three-door Bronco II. [5] As with the Ford Ranger, the model line derives its name from a trim package previously offered on Ford F-Series pickup trucks. As of 2020, the Explorer became the best-selling SUV in the American market. [6]