Arsenic is present in the environment as a naturally occurring substance or as a result of contamination from human activity. It is found in water, air, food, and soil in organic and inorganic forms.
At first glance, it may seem difficult to explain. A difference in the lobe separation angles (LSA) of the cams can explain the difference. LSA is the Lobe Separation Angle or the number of degrees between the intake and exhaust lobe centerlines. The LSA has a direct relationship to amount of overlap on a cam.
In 2004, the Federal Aviation Administration (FAA) allowed everyone the freedom to fly for fun with a new category of aircraft which are are simple to fly, plus lower costs to own and operate. These new Light-Sport Aircraft (LSA) can carry two people and be flown by a pilot with a new and easier to obtain sport pilot license.