Ключевые слова: again, background, bag, banner, big think, blue, cleaning, color, colorful, concept, create, creative, creativity, design, discover, dynamic, ensign, environment, environmental, flag, green, hanging, invent, inventive, new, object, package, plastic, pollution, recycle, recycling, red, redo, reduce, reduction, reform, remake, rethink, reuse, rope, sign, sky, strip, stripe, think, used, useful, waste, white, yellow,