Symptoms include: 1  Itching. 2  Significant tearing and production of thick mucus. 3  The feeling of having something in the eye (foreign body sensation) 4  Aversion to light (photophobia)
Geographic coordinate system. Longitude lines are perpendicular to and latitude lines are parallel to the equator. A geographic coordinate system is a coordinate system used in geography that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are often chosen such that one of the numbers represents a vertical position, and two or three of the numbers represent a horizontal position.
Latitude and longitudeare measured in seconds, minutes, and degrees:60â³ (seconds) = 1â² (minute)60â² (minutes) = 1Â° (degree)To determine the latitude and longitude of your facility,you will need a topographic map from United StatesGeological Survey (USGS).