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.
Rocket - Noise. 1  Rocket exhaust generates a significant amount of acoustic energy. 2  The Space Shuttle generates 180 dB of noise around its base. [33] 3  Noise is generally most intense when a rocket is close to the ground, since the noise from the engines radiates up away from the jet, as well as reflecting off the ground.