<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (September 2008) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (September 2008) (Learn how and when to remove this template message) </Td> </Tr> <P> A drill is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for boring holes in various materials or fastening various materials together . The attachment is gripped by a chuck at one end of the drill and rotated while pressed against the target material . The tip, and sometimes edges, of the cutting tool does the work of cutting into the target material . This may be slicing off thin shavings (twist drills or auger bits), grinding off small particles (oil drilling), crushing and removing pieces of the workpiece (SDS masonry drill), countersinking, counterboring, or other operations . </P> <P> Drills are commonly used in woodworking, metalworking, construction and do - it - yourself projects . Specially designed drills are also used in medicine, space missions and other applications . Drills are available with a wide variety of performance characteristics, such as power and capacity . </P>

Name two important features a drill should have
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