Ключевые слова: action, aerator, agriculture, air, asia, axle, bubble, clean, clear, dial, dorp, droplet, environment, farm, fish, flow, fresh, green, hydraulic, industry, lake, machine, motion, nature, outdoor, oxygen, paddle, pond, river, rotate, shrimp, speed, splash, spread, stop, swirl, thailand, treatment, turbine, vane, water, wet, wheel,