Trefoil
Videos
A trefoil is a graphic form composed of the outline of three overlapping rings, used in architecture, Pagan and Christian symbolism, among other areas. The term is also applied to other symbols with a
Croatian trefoil badge worn by Royal Croatian Home Guard during Austria-Hungary, depicting oak leaves
Hazard symbol
Videos
Hazard symbols are universally recognized symbols designed to alert individuals to the presence of hazardous or dangerous materials, locations, or conditions. These include risks associated with elect
Trefoil
…it easy for a consumer to notice and identify the packaging the symbol has been printed on as recyclable. Easily stenciled symbols are also favored. Ionizing radiation hazard trefoil Fallout shelter trefoil Biological hazard trefoil Universal recycling symbol VORTAC Aircraft Navigation Beacon One particular stylized form of the…
Sign on a fence around the Beromünster Reserve Broadcasting Tower in Switzerland, warning of high voltage and danger of death