system of drill
Look at other dictionaries:
Drill 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 … Wikipedia
Drill Dozer — North American box art Developer(s) Game Freak Publisher(s) … Wikipedia
Drill (mammal) — Drill[1] Drill at the Lincoln Park Zoo Conservation status … Wikipedia
Drill team — The U.S. Marine Corps Silent Drill Platoon performs the rifle inspection routine in front of spectators seated in the Reviewing Stands during the Battle Colors Ceremony held at Marine Corps Recruit Depot San Diego, California. A drill team can be … Wikipedia
Drill string — A drill string on a drilling rig is a column, or string, of drill pipe that transmits drilling fluid (via the mud pumps) and torque (via the kelly drive or top drive) to the drill bit. The term is loosely applied as the assembled collection of… … Wikipedia
Drill bit shank — The shank is the part of a drill bit grasped by the chuck of a drill. The cutting edges of the drill bit are at one end, and the shank is at the other. Different styles of shank/chuck combination deliver different performance, such as allowing… … Wikipedia
drill — drill1 drillable, adj. drillability, n. driller, n. /dril/, n. 1. Mach., Building Trades. a. a shaftlike tool with two or more cutting edges for making holes in firm materials, esp. by rotation. b. a tool, esp. a hand tool, for holding and… … Universalium
Drill — 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… … Wikipedia
Drill 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… … Wikipedia
Drill string compensator — active heave compensator redirects here. For other uses, see active heave compensator (disambiguation). A drill string compensator decreases the influence of the heave of a drilling vessel on the drill bit. Drill string compensators are also… … Wikipedia