7 puzzles tagged industry machine

How a Grist Mill Works35AmyJoyHow a Grist Mill WorksBig Job, Big Machines128AmyJoyBig Job, Big MachinesMachinery91AmyJoyMachineryTurbines180AmyJoyTurbinesGears Go Round48AmyJoyGears Go RoundHow do you change the tires?220AmyJoyHow do you change the tires?Newport Transporter Bridge72WhitebeardNewport Transporter Bridge