Abstract: A construction combination includes a construction member, and an acoustic absorbing device engaged in the construction member for absorbing acoustic sounds. The acoustic absorbing device includes a housing engaged in the construction member, and a casing engaged in the housing. The housing includes one or more couplers, and the casing includes one or more connectors for engaging with the couplers and for anchoring the casing in the housing. A sound absorbing member is engaged in the casing, and the sound absorbing member includes an anchor for engaging with the casing and for anchoring the sound absorbing member in the casing.

Abstract: A construction combination includes a construction member, and an acoustic absorbing device engaged in the construction member for absorbing acoustic sounds. The acoustic absorbing device includes a housing engaged in the construction member, and a casing engaged in the housing. The housing includes one or more couplers, and the casing includes one or more connectors for engaging with the couplers and for anchoring the casing in the housing. A sound absorbing member is engaged in the casing, and the sound absorbing member includes an anchor for engaging with the casing and for anchoring the sound absorbing member in the casing.

Abstract: A drinking vessel includes a bottle having a chamber for receiving a liquid, and a mouth communicating with the chamber of the bottle, a cover device includes a cover member for detachably attaching to the mouth, the cover member includes a port having a passage formed in the port and communicating with the chamber of the bottle, a plug is attached to a lower portion of the port and includes an orifice communicating with the passage of the port and the chamber of the bottle, a valve member is engaged in the passage of the port, and the port includes a rib for anchoring the valve member in the passage of the port and for preventing the valve member from being disengaged from the cover member.