An adjustable paper cassette is provided that may be expanded and contracted by sliding movable frames relative to a base frame and then coupling fixing protrusions to desired fixing holes. The pump device for a liquid detergent includes: a corrugated tube connected to a conveying tube unit from which the liquid detergent is discharged; a supply tube guiding the liquid detergent supplied through the corrugated tube to a tub; and a coupler connecting the corrugated tube and the supply tube and coupled to a base plate. The activatable material is preferably used for sealing, baffling, adhering or reinforcing an article of manufacture such as an automotive vehicle. The plurality of baffles are disposed in the separation chamber between the head cover and the lower plate. The packets are directed to an appropriate internal host by the firewall performing port address forwarding based on the port indication to a Session Initiation Protocol server within the internal network that maintains a mapping of user aliases to private addresses of the internal hosts. Also, each succeeding pit has a smaller cross-sectional area than the preceding pit.