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Epoxy

Epoxy or polyepoxide is a polymer that cure when mixed with a catalyzing agent ("hardener"). The material was developed by I.G. Farben Industrie of Germany in 1939, and are used for coatings, adhesives and composite materials. like glass-reinforced plastic.

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Sakhalin

... everywhere. The avi-fauna is the common Siberian, and the rivers swarm with fish, especially species of salmon (Oncorhynchus). Numerous whales visit the sea-coast. ...