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It is a 1 1/2 hour fire rated door embedded along a 2 hour fire rated wall that creates an exit to safety inside of a building. Codes give maximum travel distances to get to safety, i.e. to exit a building. However, some buildings are so large (Casino's, Hotels, Convention Centers) that it is impossible to get someone out of the facility within the maximum distance. Therefore, to comply with the code, a fire rated wall is constructed with fire rated doors to contain the fire and allow occupants to exit into a safe part of the building.
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Is the symbol hyphen a slash or horizontal line?
A horizontal line.A horizontal line.A horizontal line.A horizontal line.
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A horizontal angle is an angle between lines on a horizontal plane.
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this is horizontal: ---------------------------- / / this is at an angle: / / /
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Where is the independent variable placed on a line graph?
on the horizontal axis!
