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2. Grade (slope) - Wikipedia

   en.wikipedia.org/wiki/Grade_(slope)

   Grade is usually expressed as a percentage - converted to the angle α by taking the inverse tangent of the standard mathematical slope, which is rise / run or the grade / 100. If one looks at red numbers on the chart specifying grade, one can see the quirkiness of using the grade to specify slope; the numbers go from 0 for flat, to 100% at 45 ...

3. Grading (earthworks) - Wikipedia

   en.wikipedia.org/wiki/Grading_(earthworks)

   Grading in civil engineering and landscape architectural construction is the work of ensuring a level base, or one with a specified slope, [1] for a construction work such as a foundation, the base course for a road or a railway, or landscape and garden improvements, or surface drainage.

4. Benchmark (surveying) - Wikipedia

   en.wikipedia.org/wiki/Benchmark_(surveying)

   An Ordnance Survey cut mark in the UK Occasionally a non-vertical face, and a slightly different mark, was used. The term benchmark, bench mark, or survey benchmark originates from the chiseled horizontal marks that surveyors made in stone structures, into which an angle iron could be placed to form a "bench" for a leveling rod, thus ensuring that a leveling rod could be accurately ...

5. Topographic map - Wikipedia

   en.wikipedia.org/wiki/Topographic_map

   In modern mapping, a topographic map or topographic sheet is a type of map characterized by large-scale detail and quantitative representation of relief features, usually using contour lines (connecting points of equal elevation), but historically using a variety of methods.

6. NFL playoff watchability rankings: Which wild-card game is best?

   www.aol.com/nfl-playoff-watchability-rankings...

   No. 5 Minnesota Vikings at No. 4 Los Angeles Rams (Monday, 8 p.m. ET, ESPN) For some reason, ever since ESPN picked up a wild-card weekend game, it feels like there has been something missing.

7. Survey marker - Wikipedia

   en.wikipedia.org/wiki/Survey_marker

   A benchmark is a type of survey marker that indicates elevation (vertical position). Horizontal position markers used for triangulation are also known as triangulation stations . Benchmarking is the hobby of "hunting" for these marks.

8. Why the Dow is suddenly in a historic funk - AOL

   www.aol.com/finance/why-dow-suddenly-historic...

   The Dow's losses amount to roughly 3%, or more than 1,500 points, in the past nine trading sessions. The index has fallen from a record close of 45,014 on Dec. 4 to 43,499 as of Tuesday's close.

9. Antibiotic use does not increase dementia risk, study suggests

   www.aol.com/antibiotic-does-not-increase...

   The study, which followed healthy older adults for 5 years, found that antibiotic use was not associated with an increased risk of cognitive impairment and dementia. ... “Engaging in mental ...