dust-proof electrical equipment
31Shell (projectile) — This article is about the artillery projectile. For the small arms ammunition, see Shotgun shell. Some sectioned shells from the First World War. From left to right: 90 mm fragmentation shell, 120 mm pig iron incendiary shell, 77/14 model 75 mm… …
32printmaking — /print may king/, n. the art or technique of making prints, esp. as practiced in engraving, etching, drypoint, woodcut or serigraphy. [1925 30; PRINT + MAKING] * * * Art form consisting of the production of images, usually on paper but… …
33Road — This article is about a route, thoroughfare or way that supports travel by a means of conveyance. For a place outside a harbor where a ship can lie at anchor, see Roadstead. For public roads, see Highway. For other routes, see thoroughfare. For… …
34Old-time radio — Before television, radio was the dominant home entertainment medium. Old Time Radio (OTR) and the Golden Age of Radio refer to a period of radio programming in the United States lasting from the proliferation of radio broadcasting in the early… …
35Concrete — This article is about the construction material. For other uses, see Concrete (disambiguation). Outer view of the Roman Pantheon, still the largest unreinforced solid concrete dome.[1] …
36Digital single-lens reflex camera — Nikon D700 full frame (FX) digital SLR camera …
37Calendar of 1993 — ▪ 1994 January January 1 Czechoslovakia now two nations. What had been the single nation of Czechoslovakia officially became two independent states, the Czech Republic and Slovakia. Vaclav Havel, the former president of Czechoslovakia, and… …
38Abiogenesis — Primordial soup redirects here. For the board game, see Primordial Soup (board game). Origin of life redirects here. For views on the origins of life outside the natural sciences, see Creation myth. Pre Cambrian stromatolites in the Siyeh… …
39T-34 — This article is about the Soviet medium tank. For other uses, see T34 (disambiguation). T 34 T 34 85 at Musée des Blindés Type Medium tank …
40Art, Antiques, and Collections — ▪ 2003 Introduction In 2002 major exhibitions such as Documenta 11 reflected the diverse nature of contemporary art: artists from a variety of cultures received widespread recognition for work ranging from installation to video to painting …
