According to the BLS, security guards earned a median average salary of $24,070 in 2013. The best-paid earned about $43,150, while the lowest-paid made approximately $17,510. The industries that pay the best include natural gas distribution and electric power generation, transmission and distribution.
IR delivers. Reduced risk ... less pain ... shorter recovery times. Interventional radiology (also known as IR) is the minimally invasive, image-guided treatment of medical conditions that once required open surgery.
Optical time-domain reflectometer. An optical time-domain reflectometer (OTDR) is an optoelectronic instrument used to characterize an optical fiber. An OTDR is the optical equivalent of an electronic time domain reflectometer. It injects a series of optical pulses into the fiber under test and extracts, from the same end of the fiber, light that is scattered (Rayleigh backscatter) or reflected back from points along the fiber.