A method of making a skirt which comprises: providing a silicone sheet having a tab and a plurality of cut strands, applying an adhesive to the first side and rolling the first side of the silicone sheet about a non-stick whipping to form a skirt insert. Embedded in the liner is a transmitter, which includes a radio-frequency identification and at least one sensor. A second node of the plural nodes has a fail over processing module, which performs fail over on plural software resources managed by the first node according to an order of fail over priority that is based on the priority consulted by the priority recognizing processing module of the first node. A detecting unit executes the unit A and the unit B for at least one time or more.