percussive cutter
1Water jet cutter — A water jet cutter is a tool capable of slicing into metal or other materials using a jet of water at high velocity and pressure, or a mixture of water and an abrasive substance. The process is essentially the same as water erosion found in… …
2Drill — For other uses, see Drill (disambiguation). Drill scheme A drill or drill motor is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for drilling holes in various materials or… …
3mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …
4tool — tooler, n. toolless, adj. /toohl/, n. 1. an implement, esp. one held in the hand, as a hammer, saw, or file, for performing or facilitating mechanical operations. 2. any instrument of manual operation. 3. the cutting or machining part of a lathe …
5Glass harmonica — The glass harmonica, also known as the glass armonica, hydrocrystalophone, or simply armonica (derived from armonia , the Italian word for harmony), is a type of musical instrument that uses a series of glass bowls or goblets graduated in size to …
6Drilling rig — For a detailed diagram of a Petroleum drilling rig, see List of components of oil drilling rigs. Drilling rig preparing rock blasting …
