hinge bolt
41Strap rail — Strap Strap, n. [OE. strope, AS. stropp, L. stroppus, struppus, perhaps fr. Gr. ? a band or cord, fr. ? to twist, to turn (cf. {Strophe}). Cf. {Strop} a strap, a piece of rope.] 1. A long, narrow, pliable strip of leather, cloth, or the like;… …
42Compass (drafting) — This article is about the drafting instrument. For other uses, see Compass (disambiguation). A beam compass and a regular compass …
43Barn door tracker — A Barn Door Tracker, also known as a Haig or Scotch mount, is a device used to cancel out the diurnal motion of the Earth for observing, or for photography of, astronomical objects. It is a simple alternative to attaching a camera to a telescope… …
44door — noun ADJECTIVE ▪ open ▪ closed, shut ▪ locked, unlocked ▪ half open ▪ The door was half ope …
45Firearm action — In firearms terminology, an action is the system of operation used to load rounds and/or seal the breech. In many weapons a breechblock reciprocates in the receiver of the firearm. The term is also used for the physical parts inside the weapon… …
46Kel-Tec SUB-2000 — semiautomatic firearm with its operating spring located in the tubular stock. It feeds from a grip located magazine well using magazines designed for various pistols, and is an inexpensive carbine. The distinguishing characteristic of this rifle… …
47Matsumoku — Industrial was established around 1900 as a woodworking manufacturer of various items but is best known as a manufacturer of high quality guitars and bass guitars. 1983 Aria Pro II, PE R100 Contents 1 …
48Locked room mystery — The locked room mystery is a sub genre of detective fiction wherein a crime such as murder is committed under apparently impossible circumstances typically involving a crime scene that no intruder could have entered or exited (thus locked room ) …
49hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …
50Seismic retrofit — Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. Other retrofit techniques are applicable to areas subject to tropical cyclones,… …
