Casing may refer to an enclosing shell,

tube Tube or tubes may refer to: * ''Tube'' (2003 film), a 2003 Korean film * ''The Tube'' (TV series), a music related TV series by Channel 4 in the United Kingdom * "Tubes" (Peter Dale), performer on the Soccer AM television show * Tube (band), a ...

, or surrounding material. It may also refer to: *

Cartridge (firearms) A cartridge or a round is a type of pre-assembled firearm ammunition packaging a projectile (bullet, shot, or slug), a propellant substance (usually either smokeless powder or black powder) and an ignition device (primer) within a metallic ...

, shell enclosing the explosive propellant in ammunition * Casing (borehole), metal tube used during the drilling of a well *

Casing (molding) Moulding (spelled molding in the United States), or coving (in United Kingdom, Australia), is a strip of material with various profiles used to cover transitions between surfaces or for decoration. It is traditionally made from solid milled woo ...

, decorative molding surrounding door or window openings * Casing (sausage), thin covering holding the food contents of sausage *

Casing (submarine) The casing of a submarine is a light metal structure, usually incorporating a deck, built over the upper surface of the vessel's pressure hull. The pressure hull of a submarine is usually cylindrical and possesses a low freeboard when in the w ...

, platform attached to the upper side of a submersible vehicle * Computer case, the enclosure that contains most of the components of a computer *

Letter case Letter case is the distinction between the Letter (alphabet), letters that are in larger uppercase or capitals (or more formally ''majuscule'') and smaller lowercase (or more formally ''minuscule'') in the written representation of certain lang ...

, the distinction between upper and lowercase letters in typography * Surreptitious

reconnaissance In military operations, reconnaissance or scouting is the exploration of an area by military forces to obtain information about enemy forces, terrain, and other activities. Examples of reconnaissance include patrolling by troops (skirmisher ...

, especially to aid a robbery

See also