perforated hole
111Well water — Well Well, n. [OE. welle, AS. wella, wylla, from weallan to well up, surge, boil; akin to D. wel a spring or fountain. ????. See {Well}, v. i.] [1913 Webster] 1. An issue of water from the earth; a spring; a fountain. [1913 Webster] Begin, then,… …
112Bit — This article is about the unit of information. For other uses, see Bit (disambiguation). Fundamental units of information bit (binary) nat (base e) ban (decimal) qubit (quantum) This box …
113Cathode ray tube — Cutaway rendering of a color CRT: 1. Three Electron guns (for red, green, and blue phosphor dots) 2. Electron beams 3. Focusing coils 4. Deflection coils 5. Anode connection 6. Mask for separating beams for red,… …
114Insect — For the Breed 77 album, see Insects (album). Insect Temporal range: 396–0 Ma …
115Mary Rose — For later ships with the same name, see HMS Mary Rose. For the play by J.M. Barrie, see Mary Rose (play). The remnants of the Mary Rose undergoing conservation in Portsmouth …
116Cartridge (firearms) — From left: .50 BMG, .300 Win Mag, .308 Winchester, 7.62×39mm, 5.56×45mm NATO, .22LR. A cartridge, also called a round, packages the bullet, gunpowder and primer into a single metallic case precisely made to fit the firing chamber of a firearm …
117Football (ball) — A football is an inflated ball used to play one of the various sports known as football. The first balls were made of natural materials, such as an inflated pig baldder, sometimes inside a leather cover. (This has given rise to the US slang term… …
118Meccano — For the Spanish musical group, see Mecano. Meccano Type Construction set Inventor Frank Hornby …
119Invisibility — is the state of an object which cannot be seen. An object in this state is said to be invisible (literally, not visible ). The term is usually used as a fantasy/science fiction term, where objects are literally made unseeable by magical or… …
120Paper size — A size chart illustrating the ISO A series and a comparison with American letter and legal formats …
