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WikiArt: Visual Art Encyclopedia
Site based on the wiki principle that shows works of art (paintings, architecture, ...), gives a description and gives a short biography of the artist.
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Measuring in electronics
On this site you can find a lot of articles that deal with the measurement in electronics. There are many traps where special attention is given to it. There is also attention to product news.
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Goods: Dangerous goods
Basic information on the ADR hazard classes and labels are in the goods used for the signaling of hazardous substances.
The usual placards and identification numbers found on the wiki back.
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