FDA Opposes Medical Use of Marijuana. April 21, 2006 -- The FDA has issued a statement rejecting the medical use of marijuana. The FDA's statement doesn't mention any new research on the topic. Instead, it cites a past evaluation by several U.S. Department of Health and Human Services agencies, including the FDA.
Standard Sign Shapes. Signs convey information to travelers not only by their messages and color, but through their shape as well. Special shapes are specifically assigned to certain types of signs so that travelers can recognize them quickly and react appropriately. In general, the greater number of sides on a sign, the more critical a message it conveys. This is why a circular shape was adopted for the Railroad Advance warning sign (i.e. infinite number of sides), as a collision between a train and a typical vehicle will nearly always end badly.
Relevance. Rating Newest Oldest. Best Answer: The Pentagram is a five pointed star, if it's a five pointed star within a circle then it's a Pentacle-not exactly the same thing although a lot of people confuse one with the other.his 'upside down' symbol is also used to represent the Baphomet the Goat Headed God, the points represent the head, ears and horns of Baphomet the goat headed god with the top two points the horns, the next two the ears and the single point downwards the long pointed goat face.