A simple example of a polarized transverse wave is vibrations traveling along a taut string (see image); for example, in a musical instrument like a guitar string. Depending on how the string is plucked, the vibrations can be in a vertical direction, horizontal direction, or at any angle perpendicular to the string.
Commission on Narcotic Drugs considers future of drug control. 14 March 2008 - The 51 st session of the annual Commission on Narcotic Drugs (CND) wrapped up today.
OTC coideine is considered significantly weaker as a pain killer in comparison to controlled one. narcotic is a drug that improves sleep and lessens pain . a drug or other substance affecting mood or behavior and soldfor nonmedical purposes, especially an illegal one.. The root of the word narcortic means sleep.