european norm
41Désignation Des Métaux Et Alliages — En métallurgie, la désignation des métaux et alliages est la désignation normalisée des matériaux métalliques, à indiquer par exemple sur les dessins de pièces. Sommaire 1 Aluminium et alliages d aluminium 1.1 Alliage d aluminium destinés au… …
42Désignation des métaux et alliages — En métallurgie, la désignation des métaux et alliages est la désignation normalisée des matériaux métalliques, à indiquer par exemple sur les dessins de pièces. Sommaire 1 Symboles métallurgiques 2 Aluminium et alliages d aluminium …
43Laser safety — A typical laser warning symbol. Laser safety is safe design, use and implementation of lasers to minimize the risk of laser accidents, especially those involving eye injuries. Since even relatively small amounts of laser light can lead to… …
44Portuguese Language Orthographic Agreement of 1990 — Written varieties Portuguese speaking countries except Brazil before the 1990 agreement Brazil before the 1990 agreement All countries after the 1990 agreement translation Different pronunciation anónimo anônimo Both forms remain anonymous Vénus… …
45EN 207 — is the European norm for laser safety eyewear. Any laser eye protection sold within the European Community must be certified and labeled with the CE mark. According to this standard, laser safety glasses should not only absorb laser light of a… …
46railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… …
47Diving cylinder — Diving cylinders to be filled at a diving air compressor station …
48Demographic transition — A diagram of the demographic transition model, including stage 5 The demographic transition model (DT) is the transition from high birth and death rates to low birth and death rates as a country develops from a pre industrial to an industrialized …
49Brandy — This article is about the spirit. For other uses, see Brandy (disambiguation). Cognac brandy in a typical brandy snifter Brandy (from brandywine, derived from Dutch brandewijn burnt wine )[1] is a s …
50Icelandic cuisine — A fisherman s hut in Reykjavík in 1835 with fish hung outside for drying. Wind dried fish remains popular in Iceland Important parts of Icelandic cuisine are lamb, dairy, and fish, due to Iceland s proximity to the ocean. Popular foods in Iceland …
