grain chamber
61AR-15 — The AR 15 comes in many sizes and has many options, depending on the manufacturer. The part shown bottom center is the lower receiver, which under US law is the component legally considered the firearm . Type …
62Brazing — This article is about the metal joining process. For the cooking technique, see braising. Brazing practice Brazing is a metal joining process whereby a filler metal is heated above and distributed between two or more close fitting parts by… …
63Ethiopia — /ee thee oh pee euh/, n. 1. Formerly, Abyssinia. a republic in E Africa: formerly a monarchy. 58,732,577; 409,266 sq. mi. (1,060,000 sq. km). Present boundaries include Eritrea. Cap.: Addis Ababa. 2. Also called Abyssinia. an ancient region in NE …
64Powder metallurgy — is the process of blending fine powdered materials, pressing them into a desired shape (compacting), and then heating the compressed material in a controlled atmosphere to bond the material (sintering). The powder metallurgy process generally… …
65Martini-Henry — Mk I–IV Type Service rifle Shotgun (Greener Prison Variant) Place of or …
66Anthropology and Archaeology — ▪ 2009 Introduction Anthropology Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …
67Egypt, ancient — Introduction civilization in northeastern Africa dating from the 3rd millennium BC. Its many achievements, preserved in its art and monuments, hold a fascination that continues to grow as archaeological finds expose its secrets. This article… …
68Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
69Gunpowder — For other meanings, see gunpowder (disambiguation). Black powder for muzzleloading rifles and pistols in FFFG granulation size. Coin (diameter 24 mm) for comparison. Gunpowder, also known since in the late 19th century as black powder, was the… …
70Synthetic diamond — Synthetic diamonds of various colors grown by the high pressure high temperature technique Synthetic diamond is diamond produced in a technological process; as opposed to natural diamond, which is created in geological processes. Synthetic… …
