1. bomba   tire pressure   pump   tricycle   sprocket   Hint Half-n-half Clue   2. triciclo   handbrake   cable   seat   tricycle   Half-n-half Clue   3. roda   inner tube   exhaust pipe   wheel   valve   Half-n-half Clue   4. escapamento   lock   tricycle   exhaust pipe   wheel   Half-n-half Clue   5. catraca   sprocket   handlebar   handbrake   brake   Half-n-half Clue   6. cabo   sprocket   handlebar   cable   brake   Half-n-half Clue   7. freio de mão, breque de mão   handbrake   tire   engine   spoke   Half-n-half Clue