A method of non-real time software download in an IP-based mobile communication system with heterogeneous access technologies is based on the session initiation protocol. These polypeptides can be used to modulate clot formation in mammals. Subjecting the nitrided layer to an additional NO anneal process increases the uniformity of the nitrided layer. Values can be selected from the group consisting of single or multivariable, as desired or preferred. Filtered oil fog by the filter is then sucked by a vane-wheel in the gas exhausting chamber, and then led in the odor treating device for filtering for the second time to become completely clean gas to be exhausted out in the air. The ESLI indicates the depletion of the filter by changing the color density on a surface of the device to a color density having a well distinguishable contrasting pattern that is easily recognizable even by individuals who are color-blind.