The word grinding is a noun. Grinding means (1) a harsh and strident sound (as of the grinding of gears), (2) matter resulting from the process of grinding, (3) the wearing down of rock particles by friction due to water or wind or ice.
The following articles and web pages elaborate on the word grinding.
Rotary tools are handheld power tools with rotating bits, with hundreds of parts and accessories that are used for drilling, sanding, carving, cutting, grinding, or routing. They are used in many ways by all kinds of workmen from hobbyists to jewelers. This website provides an overview of the tool, types available, and uses. There are also links to rotary tool manufacturers.
The following articles provide recent grinding-related news.
Pope Francis, on a visit to Madagascar, on Sunday condemned what he said was its clan culture of privilege and corruption that allows a very few to live in wealth while the vast majority languish in grinding poverty. ...
Newsmax. Sunday, 08 Sep 2019 07:00:26 EDT.
The Metropolitan Police says a total of 52 arrests have been made after environmental activists vandalised the London headquarters of oil giant Shell - in protests aimed at grinding the capital to a halt.
Sky News. Monday, 15 Apr 2019 11:34:00 +0100.