normal drill
1Drill commands — are generally used with a group that is marching, most often in military foot drill or marching band. All branches of the military use drill commands. Contents 1 Command voice 2 Common drill commands 2.1 United Kingdom and Australia …
2Drill instructor — A USMC drill instructor A drill instructor is a non commissioned officer or Staff Non Commissioned Officer in the armed forces or police forces with specific duties that vary by country. In the U.S. armed forces, they are assigned the duty of… …
3Drill — 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… …
4Drill Stem Test — A drill stem test (DST) is a procedure for isolating and testing the surrounding geological formation through the drill stem. The test is a measurement of pressure behavior at the drill stem and is a valuable way to obtain important sampling… …
5Hammer 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… …
6Vertical drill — Vertical Ver ti*cal, a. [Cf. F. vertical. See {Vertex}.] [1913 Webster] 1. Of or pertaining to the vertex; situated at the vertex, or highest point; directly overhead, or in the zenith; perpendicularly above one. [1913 Webster] Charity . . . is… …
7Chuck (engineering) — Self centering three jaw chuck and key with one jaw removed and inverted showing the teeth that engage in the scroll plate. The scroll plate is rotated within the chuck body by the key, the scroll engages the teeth on the underside of the jaws… …
8Mortiser — Hollow mortising chisel and bit A mortiser or morticer is a specialized woodworking machine used to cut square or rectangular holes in a piece of lumber, such as a mortise in a mortise and tenon joint. Contents …
9United States Coast Guard Reserve — Coast Guard Reserve Active 19 February 1941 to present …
10Screw gun — A screw gun is a tool used to install sheetrock, also known as drywall. Screw guns look like a normal drill although they have a nose as opposed to a chuck. The nose holds an interchangeable 1/4 inch shank bit {commonly known as a tip}. Most… …
