Abstract: A container for housing a work object having walls defining a compartment dimensioned to receive a work object; and a mechanism for releasably retaining the work object in the compartment operable to permit a portion of the work object to be dispensed therefrom and thereafter to retain the remainder of the work object in the compartment.

Abstract: A fluid regulating apparatus adapted operably to be connected to a source of fluid under pressure, the apparatus having a housing having an internal chamber and at least one passage interconnecting the chamber and the exterior of the housing; a mount for mounting the chamber of the housing in fluid receiving relation to the source of fluid under pressure; and an assembly mounted in the housing responsive to fluid pressure to reduce the fluctuation in the volume of fluid released from the chamber through the passage as the result of fluctuation in the fluid pressure received from the source.