powder-handling room
31photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
32Sand casting — Sand casting, also known as sand molded casting, is a metal casting process characterized by using sand as the mold material. It is relatively cheap and sufficiently refractory even for steel foundry use. A suitable bonding agent (usually clay)… …
33Sodium borohydride — Sodium borohydride …
34Redux (adhesive) — Redux is the generic name of a family of phenyl formaldehyde/polyvinyl formal adhesives developed by Aero Research Limited (ARL) at Duxford, UK, in the 1940s, subsequently produced by Ciba (ARL). The brand name is now used for a range of epoxy… …
35Fernald Feed Materials Production Center — The Fernald Feed Materials Production Center (commonly referred to simply as Fernald) was a uranium processing facility located near the rural town of Fernald, in Hamilton County, Ohio, about 20 miles northwest of Cincinnati, which fabricated… …
36rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …
37Snowboard — A snowboard is a thin, hourglass shaped board ridden down a sloped section of earth covered in snow. It is often thought of as the winter equivalent of a wakeboard, as the rider s feet are bound to the board via bindings. Snowboards generally… …
38Alfred I. du Pont — Alfred Irénée du Pont (May 12, 1864 ndash; April 28, 1935) was an American Industrialist, Financier and Philanthropist. Early years Alfred was born in the Brandywine Valley region of Delaware; the middle child and first male of five children of… …
39Industrial Review — ▪ 1994 Introduction The period since 1990 was proving a difficult time for the older industrialized economies, which had suffered from prolonged recession at home, and also for the previously centrally planned economies of Eastern Europe… …
40Buttercream — Layer cake with buttercream icing and decorations Buttercream (also known as butter cream, butter icing or mock cream) is a type of icing or filling, used inside cakes, as a coating, and as decoration. In its simplest form, it is made by creaming …
