Notation
Measuring the Light This tool is a device used to measure the amount of light. In real life, This is often used to determine the alert for protecting a privacy. Typically This will include a CCTV. This systems are will often use at private sites to record the rates of light, in order to find the possible causes of invasion, while this one are often fitted with CCTV allowing pictures of stage separation to be transmitted back to person by wire. File:Notation.pdf