To make a gadget called the Can Pump N' Pour, a circular hard plastic ring with a rubbercover that keeps the fizz in opened soda cans, Davison engineers went through 30 different versions with its own moldmaking machines before getting the shape right.
To help school-proof them, the ThinkPad X131e has rugged features including a rubber bumper around the top cover and stronger corners to protect the system in the case of an accidental drop.