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Ключевые слова:
alternative, biomass, clean, climate change, concept, earth friendly, eco friendly, electricity, energy, environment, environmentally friendly, fuel, green energy, lumber, power, recycling, renewability, renewable, renewable energy, renewables, renewal, renewed, renewing, source, stack, stacked, sustainability, sustainable, tall, towering, turbine, wind energy, wind power, wind turbine, windfarm, windmill, wood pellets,