drill operator
1Drill Field — Full name The Drill Field Location Northwich, Cheshire, England Coordinates …
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… …
3Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …
4Hammer drill — A Hammer drill, also known as a rotary hammer or roto hammer , (see also rotary hammer drill) is a rotary drill with a hammering action. The hammering action provides a short, rapid hammer thrust to pulverize relatively brittle material and… …
5Bow drill — The bow drill is an ancient tool. While it was usually used to make fire, it was also used for primitive woodworking and dentistry. It consists of a bearing block or handhold , a spindle or drill , a hearth or fireboard , and a simple bow .… …
6Diamond core drill — bits (sometimes called hole saws) are used to bore holes in brick, concrete, glass, and stone. They are not generally used with softer materials. The bit consists of a metal cylinder, usually relatively soft steel mounted on an arbor. Industrial… …
7General radiotelephone operator license — The General Radiotelephone Operator License, or GROL, is a commercial license, as opposed to an amateur radio license. It allows the holder to operate, maintain or install certain classes of United States licensed radio and television… …
8breast drill — noun a portable drill with a plate that is pressed against the chest to force the drill point into the work • Hypernyms: ↑drill * * * noun : a portable drill with a plate that is pressed by the breast in forcing the drill against the work * * * a …
9breast drill — noun a drill on which pressure is brought to bear by the operator s chest …
102010 Copiapó mining accident — Copiapó mining accident redirects here. For the 2006 accident in the Carola Agustina mine, see 2006 Copiapó mining accident. 2010 Copiapó mining accident Rescue efforts at San José Mine near Copiapó, Chile on 10 August 2010 Date …
