Minador puntual
Also known as boom-type roadheader, road header machine, road header, header machine
thumb|250px|A typical roadheader A roadheader, also called a boom-type roadheader, road header machine, road header or just header machine, is a piece of excavating equipment consisting of a boom-mounted cutting head, a loading device usually involving a conveyor, and a crawler travelling track to move the entire machine forward into the rock face.
Article · Español
Denominada habitualmente minador puntual, la rozadora es una máquina excavadora destinada a la realización de excavaciones y obras subterráneas mediante una cabeza armada de picas que tritura y arranca fragmentos de pequeño tamaño.
Abstract from DBpedia / Wikipedia · CC BY-SA