pressure core barrel
61Anti-tank rifle, model 35 — Infobox Weapon|is ranged=yes caption=Karabin przeciwpancerny wzór 35 name=Karabin przeciwpancerny wz.35 type=Anti tank rifle origin=flagcountry|Poland era=World War II design date= prod design date=1936 to 1939 serv design date=1939 used… …
62hydrosphere — /huy dreuh sfear /, n. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. [1885 90; HYDRO 1 + SPHERE] * * * Discontinuous layer of water at or near the Earth s surface. It… …
63Mattress — For other uses, see Mattress (disambiguation). A pillow top queen size mattress. A mattress is a manufactured product to sleep or lie on, consisting of resilient materials and covered with an outer fabric or ticking. In the developed world it is… …
64Epidural — This article is about the anaesthetic technique. For the anatomical site, see Epidural space. For other uses, see Epidural (disambiguation). Did you mean Epidural hematoma, a type of traumatic brain injury? Epidural Intervention …
65Chevrolet small-block engine — Chevrolet Small Block V8 engine Manufacturer: General Motors Production: 1955–2003 Successors: GM LT engine, GM LS engine Type: small block V8 265 Produ …
66Shale oil extraction — Shell s experimental in situ shale oil facility, Piceance Basin, Colorado, United States Process type Chemical Industrial sector(s) Chemical industry, oil indus …
67Rifling — refers to the helix shaped pattern in the barrel of a firearm, which imparts a spin to a projectile around its long axis. This spin serves to gyroscopically stabilize the projectile, improving its aerodynamic stability and accuracy.Rifling is… …
682000s energy crisis — This article is about the causes and analysis of the relatively high oil prices of the 2000s. For discussion of the effects of the crisis, see Effects of the 2000s energy crisis. For a chronology of oil prices during this time, see 2003 to 2011… …
69Saudi Arabia — a kingdom in N and central Arabia, including Hejaz, Nejd, and dependencies. 20,087,965; ab. 600,000 sq. mi. (1,554,000 sq. km). Cap.: Riyadh. Cf. Mecca. * * * Saudi Arabia Introduction Saudi Arabia Background: In 1902 Abd al Aziz Ibn SAUD… …
70Ram accelerator — A ram accelerator has the same function as a gun; i.e., it is a device for accelerating projectiles; however, it is entirely different in that jet engine like propulsion cycles utilizing ramjet and/or scramjet combustion processes are used to… …
