shoe and nails.

ambulation attention balk black blocker boot boots building carefully chore chores connecting construction danger dangers fastener fasteners feet fix fixer foot goer hammering handyman heedlessness hobby inadvertence inattention inattentive inattentively incident industrial janitorial leather leg lies mess metal miss nail nails near object obstacle pace peril perilous perilously perils problem pushing risk rust rusty safety shoe shoes sole spike spiry spot step stepping stride strider tack thing thrown tine tip toe trample tread walker walking watch work worker working workingman