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Ключевые слова:
agriculture, anaerobic, architecture, bio, biology, biomass, building, built, carbon, conservation, construction, digest, dioxide, energy, environment, environmental, facility, factory, fermenting, fuel, gas, global, heat, industry, innovation, methane, natural, plant, pollution, power, recycling, resource, silage, silo, sky, smokestack, steam, storage, structure, tank, technology, warming, wood,