Sound is pressure — the louder the sound, the greater the pressure. The greater the pressure, the more damage it can do to your ears. If you’re in a noisy environment, it’s important to know how ...

Even though I think that I should go to bed at night, the sound of the clock ticks too loud and I can not sleep, I can not concentrate on working sounds of PC fans, so it sounds a bit nervous about my ...

Margin of error should be accounted for and the worst-case scenario measurement taken as the reading, particularly when close to an action level. The industrial ...