Call it what you will — resonance, looseness, vibration, shock load, backlash, imbalance, noise, or strain cycles — none of it is good for machinery and equipment, leading to premature aging, unsafe ...
A 227 kg load of chromium (VI) entered the Mankato, MN 38 000 ${\rm m}^{3}/{\rm day}$ (10 mgd) activated sludge plant over an 18-hr period during October 23-24, 1977. The passage of the load through ...