Crusher Wikipedia

2021-3-17  A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, sand or rock dust.. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock ore), so that pieces of different composition can be differentiated.

Roger Stone Wikipedia

2021-3-19  Roger Jason Stone (born Roger Joseph Stone Jr.; August 27, 1952) is an American conservative political consultant and lobbyist. Since the 1970s, Stone has worked on the campaigns of Republican politicians, including Richard Nixon, Ronald Reagan, Jack Kemp, Bob Dole, George W. Bush, and Donald Trump.In addition to frequently serving as a campaign adviser, Stone was a political lobbyist.

Router (woodworking) Wikipedia

2021-3-13  The router [a] is a power tool with a flat base and a rotating blade extending past the base. The spindle may be driven by an electric motor or by a pneumatic motor. It routs (hollows out) an area in hard material, such as wood or plastic. Routers are used most often in woodworking, especially cabinetry. They may be handheld or affixed to