How to use the Apple Watch Workout app: View progress during your workout. By default the Workout app shows progress towards your goal (if you specified one) as a ring on the lefthand side of the screen-as on the Activity app, the ring fills in clockwise and a complete ring represents a completed target.
Man-Made Noise (Industrial Noise) By man-made noise or industrial- noise is meant the electrical noise produced by such sources as automobiles and aircraft ignition, electrical motors and switch gears, leakage from high voltage lines, fluorescent lights, and numerous other heavy electrical machines.
Noise is a key factor in many electronic and radio frequency or RF circuits. Noise comes in many forms. It can be generated in many ways and noise can affect electronic and radio frequency, RF circuits and systems. These different types of noise may affect circuits in different ways, or they may need to be taken into account in different ways.