Optical fiber is effective on the basic principle of total interior reflection. Optical fiber consists of a Main, cladding, and plastic coating. Optical fibers are largely utilised as internet When contemplating which microphone to select, contemplate the pickup sample likewise. Some widespread styles are cardioid, omnidirectional, and bidirectional. Cardioid microphones https://woodyc420dhk3.activablog.com/30611960/helping-the-others-realize-the-advantages-of-satellite-companies