UV, or ultraviolet, rays are the sun's invisible burning rays. They can cause sunburns, and in some cases skin cancer. There are three types of UV rays: UVB: Are the primary cause of sun burning, premature aging of the skin and the development of skin cancer.UVC: Are blocked by the ozone layer and do not reach the earth's surface.hey can cause sunburns, and in some cases skin cancer. There are three types of UV rays: UVB: Are the primary cause of sun burning, premature aging of the skin and the development of skin cancer. UVC: Are blocked by the ozone layer and do not reach the earth's surface.
About the IAC. The Intersocietal Accreditation Commission (IAC) provides accreditation programs for vascular testing, echocardiography, nuclear/PET, MRI, diagnostic CT, dental CT, carotid stenting, vein treatment and management and cardiac electrophysiology.
IPC (electronics) IPC, the Association Connecting Electronics Industries, is a trade association whose aim is to standardize the assembly and production requirements of electronic equipment and assemblies. It was founded in 1957 as the Institute for Printed Circuits. Its name was later changed to the Institute for Interconnecting and Packaging Electronic Circuits to highlight the expansion from bare boards to packaging and electronic assemblies. In 1999, the organization formally changed its name to IPC with the