Structures and methods for standard cell layouts having variable rules for spacing of layers to cell boundaries are disclosed. Enrollment occurs between a card issuer and a card holder resulting in issuance of the card. The foot pedal is connected to the toilet seat by a mechanism that includes a third class lever. The shoulders, placed to either side of the ferrule’s path in the insertion passage, hit the body of the inserted connector and take the force that opens the shutter, so that the ferrule is protected from contact. The foot well is designed to simulate the natural walking motion of the user.