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One important user interaction for a fridge is that when the door is open you grasp the handle and push toward to the body of the fridge, three things happen:

1) The door glides smoothly on its hinge toward the body.

2) The door connects with the body and provides haptic feedback that it is closed

3) The door remains closed.

The last one is the most important because user will likely walk away and stop monitoring the state of the fridge. If it changes to an open-state, it could remain open and thereby let the food inside spoil.



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