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.
Lysergic acid diethylamide, known as LSD, is one of the most powerful hallucinogens out there. It is a drug of extreme unpredictability, and is banned for use in the United States, even though it was once used as a psychiatric drug, and has been used in secret government tests.