Ключевые слова: animals, black, blue, cloudy, coal, countryside, czech, ecology, excavator, fence, field, forest, geology, give, grass, hill, hot, industrial, industry, it flies, land, litvinov, loucen hillock, machine, machinery, meadow, mezibori, mine, mountain, nature, open, ore, power, preserve, production, reservoir, roughly, sky, summer, sun, sunlight, sunny, tourism, transportation, vehicle, wheat, winter, work, yellow,