CDC public service announcement. A PSA from the CDC regarding H1N1 prevention. A public service announcement (PSA) or public service ad, are messages in the public interest disseminated by the media without charge, with the objective of raising awareness, changing public attitudes and behavior towards a social issue.
This article includes a list of references, related reading or external links, but its sources remain unclear because it lacks inline citations. (May 2015) (Learn how and when to remove this template message) Isolated Power or ISO is a sabermetric baseball statistic which aims to measure a batter's raw power. The formula is slugging percentage minus batting average. The final result measures how many extra bases a player averages per at bat.
An ISO file, often called an ISO image, is a single file, perfect representation of an entire CD, DVD, or BD.The entire contents of a disc can be precisely duplicated in a single ISO file.he most common way to make use of an ISO file is to burn the ISO file to a CD, DVD, or BD disc. It's a different process than burning a bunch of music or document files to a disc because your CD/DVD/BD burning software must assemble the contents of the ISO file onto the disc.