Ключевые слова: achievement, approval, approve, best, bright, communication, concept, confirm, congratulate, conservation, cool, detail, eco, ecology, excellent, expression, fresh, friendly, global, grass, green, guarantee, hand, happy, icon, ideas, impact, impression, isolated, nature, networking, okay, organic, perfect, plant, poligonal, pollution, positive, recycle, satisfaction, sign, spring, success, symbol, thumb, trust, up, validation, victory,