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2. Retroreflective sheeting - Wikipedia

   en.wikipedia.org/wiki/Retroreflective_sheeting

   There are several grades of retroreflective sheeting which include the three major grades: engineer grade, high intensity prismatic (HIP) and diamond grade. Within these categories are further delineations based on material used and visibility distance. Diamond grade typically has the greatest distance for visibility of the three major ...

3. List of surveying instruments - Wikipedia

   en.wikipedia.org/wiki/List_of_surveying_instruments

   Measuring tape; Plane table; Pole (surveying) Prism (surveying) (corner cube retroreflector) Prismatic compass (angle measurement) Ramsden surveying instruments; Ranging rod; Surveyor's chain; Surveyor's compass; Tachymeter (surveying) Tape (surveying) Tellurometer; Theodolite. Half theodolite; Plain theodolite; Simple theodolite; Great ...

4. Prismatic compass - Wikipedia

   en.wikipedia.org/wiki/Prismatic_compass

   Compass surveying is a type of surveying in which the directions of surveying lines are determined with a magnetic compass, and the length of the surveying lines are measured with a tape or chain or laser range finder. [2] The compass is generally used to run a traverse line. The compass calculates bearings of lines with respect to magnetic needle.

5. Retroreflector - Wikipedia

   en.wikipedia.org/wiki/Retroreflector

   A typical surveying prism with back target. In surveying, a retroreflector—usually referred to as a prism—is normally attached on a surveying pole and is used as a target for distance measurement, for example, a total station. The instrument operator or robot aims a laser beam at the retroreflector. The instrument measures the propagation ...

6. Hand compass - Wikipedia

   en.wikipedia.org/wiki/Hand_compass

   Floating-card compass with prismatic sight (bearing 220° through eyepiece). The marine hand compass, or hand bearing compass|hand-bearing compass as it is termed in nautical use, has been used by small-boat or inshore sailors since at least the 1920s to keep a running course or to record precise bearings to landmarks on shore in order to determine position via the resection technique.

7. The making of the 12-team playoff: Inside the historic ... - AOL

   www.aol.com/sports/making-12-team-playoff-inside...

   Nearly two years of work, hundreds of hours of meetings, reams of notes, rolls of masking tape and dozens of catered meals later, the expanded 12-team format will make its debut soon enough.