paper converting equipment
121Ming Dynasty — Great Ming 大明 ← 1368–1644 …
122Envelope — This article is about envelopes in packaging. For other uses, see Envelope (disambiguation). Front of an envelope mailed in the U.S. in 1906, with a postage stamp and address …
123Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …
124Dornier Do 17 — Do 17 A formation of Dornier Do 17Zs, circa 194 …
125Photographic processing — is the chemical means by which photographic film and paper is treated after photographic exposure to produce a negative or positive image. Photographic processing transforms the latent image into a visible image, makes this permanent and renders… …
126economics — /ek euh nom iks, ee keuh /, n. 1. (used with a sing. v.) the science that deals with the production, distribution, and consumption of goods and services, or the material welfare of humankind. 2. (used with a pl. v.) financial considerations;… …
127ancient Rome — ▪ ancient state, Europe, Africa, and Asia Introduction the state centred on the city of Rome. This article discusses the period from the founding of the city and the regal period, which began in 753 BC, through the events leading to the… …
128nitrogen group element — ▪ chemical elements Introduction any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… …
