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• Landfill mining — and reclamation (LFMR) is a process whereby solid wastes which have previously been landfilled are excavated and processed. [ [http://www.enviroalternatives.com/landfill.html Landfill Mining] Landfill Mining, Preserving Resources through… …   Wikipedia

• Kautschuk — (Federharz, Gummi, Gummielastikum, Resina elastica [hierzu Tafel »Kautschukpflanzen I u. II« mit Text]), ein im Pflanzenreich weitverbreiteter Stoff, der aus dem Milchsaft mehrerer Pflanzen gewonnen wird. Vorkommen und Gewinnung. Die… …   Meyers Großes Konversations-Lexikon

• Ethereal being — Water nymph by John Collier, 1923. Ethereal beings, according to some belief systems and occult theories, are mystic entities that usually are not made of ordinary matter. Despite the fact that they are believed to be essentially incorporeal,… …   Wikipedia