DescriptionConceptual-black-body.svg English: An approximate realization of a black body as a tiny hole in an insulated enclosure. Radiation incident...
org/wiki/File:Hazard_O.svg http://en.wikipedia.org/wiki/File:Hazard_T.svg http://en.wikipedia.org/wiki/File:High_voltage_warning.svg. Public Domain,GNU-FDL...
http://upload.wikimedia.org/wikipedia/commons/thumb/1/1a/Brosen_windrose.svg/600pxBrosen_windrose.svg.png, License: GNU Free Documentation) A compass needle aligns...
