A fixture plate is fixed by a screw onto an optical housing of the optical head device at a portion corresponding to where a monitor signal path portion and an act signal path portion are arranged overlapping one another. A method of inferring a change of a conversation session during continuous user interaction with an interactive content providing system includes receiving input from the user including linguistic elements intended by the user to identify an item, associating a linguistic element of the input with a first conversation session, and providing a response based on the input. A first inlet of the containment member faces at least one of the substrate and the stage and collects fluid from a gap between the containment member and the at least one of the substrate and the stage. The chain with the connectors associated with each row is thus capable of side-flexing to negotiate curves or bends, as well as longitudinal compressionexpansion, while at all times providing full and even article support. Known as peroxisome proliferator-activated receptors agonistsantagonists, the invention relates to compounds of the formula Iwherein the various substituent R-groups are more specifically defined herein. The bellows is pressed into the groove by a retaining ring placed thereon, and is designed so that an air passage can form in the contact area of the sealing ring at the base of the groove, reducing the volume enclosed by the bellows and the guide bar.