http://techtv.mit.edu/file/get/Ehs_tech-MachineShop1324.wmv
http://techtv.mit.edu/file/get/Ehs_tech-MachineShopVideo2289.wmv
http://techtv.mit.edu/file/get/Ehs_tech-MachineShop3651.wmv
http://techtv.mit.edu/file/get/Ehs_tech-MachineShop4812.wmv
http://techtv.mit.edu/file/get/Ehs_tech-MachineShop5419.wmv
http://techtv.mit.edu/file/get/Ehs_tech-MachineShop6656.wmv
http://techtv.mit.edu/file/get/Ehs_tech-MachineShop7338.wmv
http://techtv.mit.edu/file/get/Ehs_tech-MachineShop8833.wmv
http://techtv.mit.edu/file/get/Ehs_tech-MachineShop9550.wmv
http://techtv.mit.edu/file/get/Ehs_tech-MachineShop10458.wmv