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The lower floor often has lower ceilings and is partially below ground. However, in many modern split-foyer homes, the lower level is at grade, which necessitates an outdoor staircase to reach the front door. These homes often have very high ceilings on the lower level to accommodate the home's HVAC ducting.
This map of the Falkland Islands incorporates several elements of map layout: a title, a scale bar, a legend, and an inset map. This is a compromise between the fluid and compartmentalized approaches to layout order, with the non-map elements sitting "on top" of the main map. Here, the top-heavy main map is balanced by the non-map elements below.
Maps of the New World had been produced since the 16th century. The history of cartography of the United States begins in the 18th century, after the declared independence of the original Thirteen Colonies on July 4, 1776, during the American Revolutionary War (1776–1783). Later, Samuel Augustus Mitchell published a map of the United States ...
This high ceiling phenomenon can be easily explained by saying that retailers need room for hanging signs or space to put security cameras. But there’s a more subtle reason for these sky-high ...
Typical floor heights of low-floor trams are 300 to 350 mm (11.8 to 13.8 in), and the Ultra Low Floor tram has a floor height of only 180 mm (7.1 in). For comparison high-floor trams are typically more than 600 mm (23.6 in) and rapid transit using heavy rail trains has floor heights of 800 to 1,200 mm (31.5 to 47.2 in).
A double floor is generally used for longer spans and joists, called bridging beams or joists, are supported by other beams called binding beams: the two layers of timbers providing the name double floor. In a double floor there may be two sets of joists, one for the floor above and one for the ceiling below.
The term "United States," when used in the geographic sense, refers to the contiguous United States (sometimes referred to as the Lower 48, including the District of Columbia not as a state), Alaska, Hawaii, the five insular territories of Puerto Rico, Northern Mariana Islands, U.S. Virgin Islands, Guam, American Samoa, and minor outlying possessions. [1]
Brick was an uncommon building material, but some slave quarters were constructed from field stone; [3] for example, local limestone was used in Maryland. [12] Contemporary documentarians report that former slave houses often have low ceilings, little natural light, and feel "stuffy". [14]