a first tank; a second tank; a first reservoir configured to be connected to the first tank; a second reservoir configured to be connected to the second tank; and a liquid discharge head that ejects the liquid
called “pop top” with its associated rivet are eliminated. In other respects, the can may be conventional, so that no retooling is required in its fabrication. The twist-on cover is configured to accept a tapered bottom of another can placed thereon, so that cans may be vertically stacked...
a piston vertically movable within said chamber, said piston attached to said valve blade so that the movement of said piston in one direction opens said blade and the movement of said piston in the opposite direction closes said blade; and a flush solenoid which selectively connects said vacuu...