It offers rooms and doors are equipped with a slot, key card to solve the problem with the air conditioning off and forgotten to save electricity bills of the global. After finishing gymnasium available.
Have proposed a power-plug door key card. To solve the problem of forgetting to turn off the air and power costs of the center. After the gym, you're done.
Proposed body a plug door room key card. To solve the problem about forgot to turn off the air, and can save the energy of the center. After use, exercise room is done.