The invention concerns a unilaterally mat, sealable, UV-stabilized and flame-resistant, sealable, co-extruded, biaxially oriented polyester film comprising at least one base layer and a sealable top coating applied to both sides of said base layer, in addition to a mat covering. This inter-application communication infrastructure may implement one metamodel to describe how an application could participate in an inter-application communication. The combination of the first and second deflecting plates deflects rising gas bubbles and any solid particulates so that the bubbles and particulates do not enter the filter housing. Additionally, an underlying rotation and support structure provides a stable platform for the beam layer when the device is activated. Such a configuration can efficiently provide individual advantages of the determination methods using both the access flag table and the address list. The rigid member is of higher rigidity than the cushion pad, and protrudes in the same direction in which the side support portion protrudes.