Ключевые слова: attitude, bad, business, choice, closeup, cog, concept, crisis, different, emotion, faith, forward, gear, good, happiness, happy, healthy, hope, idea, improve, improvement, industry, inspiration, iron, joy, life, looking, machinery, mechanism, metal, mood, negative, old, opposite, optimism, optimist, optimistic, pessimism, pessimist, pessimistic, positive, psychology, sad, sign, steel, success, teamwork, technology, unhappy, wheel,