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A worn-out wooden threshold. A threshold is the sill of a door. Some cultures attach special symbolism to a threshold. It is called a door saddle in New England. [citation needed] Door thresholds cover the gap between the floor and the door frame, helping to prevent any water leaks, insects or draughts from entering through the opening.
A saddle roof is a roof form which follows a convex curve about one axis and a concave curve about the other. The hyperbolic paraboloid form has been used for roofs at various times since it is easily constructed from straight sections of lumber, steel, or other conventional materials. [ 1 ]
The shabraque was a large cloth which in its original form, covered the Hungarian-style saddle, and was itself surmounted by a sheep or goat skin. [1] The corners of the shabraque were rounded at the front and elongated into long points at the rear. [2] It could be elaborately decorated with a contrasting border and a royal cypher or regimental ...
Odor threshold value (OTV) (also aroma threshold value (ATV), Flavor threshold) is defined as the most minimal concentration of a substance that can be detected by a human nose. Some substances can be detected when their concentration is only few milligrams per 1000 tonnes , which is less than a drop in an Olympic swimming pool .
The threshold in the United States is updated and used for statistical purposes. The poverty guidelines are also used as an eligibility criterion by Medicaid and a number of other Federal programs. [73] In 2020, in the United States, the poverty threshold for a single person under 65 was an annual income of $12,760, or about $35 per day.