Common failures of sprockets in the complex environment of a coal mine are excessive wears and tooth fractures (Wang et al. 2012).
Ah, Senioritis: that highly contagious condition that strikes college-bound high school seniors this time each year, manifesting itself in a range of symptoms that Urban Dictionary defines as including "an over-excessive wearing of track pants" and "not doing any work whatsoever".
It results in excessive wear in rail-wheel contact.
The resulting tribological loads can lead to excessive wear.
Grit causes excessive wear and tear on pumps and other plant equipment.
Pelamis blamed it on "excessive wear on bearings" and has since identified a solution.
But the inauguration was postponed after wheels on prototype trains showed excessive wear.
It allowed some parks to be used, but changed that decision after excessive wear and tear.
This is to avoid excessive wear due to contact pressure peaks.
In a motor vehicle lease, a notice regarding wear and use substantially similar to the following: "Excessive Wear and Use.
