Ключевые слова: agriculture, air, arch, artificial, bending, blue, breeding, building, clear, color, crops, cultivation, environment, farmers, farming, green, greenhouse, growth, industry, insulation, land, light, longitudinal extension, management, nature, pillar, plastic, pollutionfree, pure and fresh, rice, seedlings, skeleton, soil, spacious, steel pipe, technology, warm, water, water pipes, water spray, white,