Disclosed herein are a method and a corresponding apparatus that provides a tethering alert if the apparatus is tethering data. The engine system equipped with the thermal storage tank supplies the hot water stored in the thermal storage tank to a cylinder head of the internal combustion engine before the starting thereof. The collecting rods are attached to the header by thin gates so that they can be easily broken off for use. The model state is then updated for each available frame. A method of manufacturing a pneumatic foam cushion is also provided. The microelectronic die has a die substrate, a microelectronic circuit formed on a front side of the die substrate, and the thermoelectric module on a backside of the die substrate.