Devices and methods are provided for detachably securing cans for use in plumbing, painting, construction, and home improvement. A system of one embodiment of the invention has a provider and a mechanism. A pair of stands supports the motor as well as the upper roller so that the pair of rollers and the sheet are essentially suspended from the top ends of the stands. A portion of the wall defines an outlet opening. Pads provide an inter-space effective for allowing fluid flow between the interior peripheral surface and the plunger body. Then, an electrode layer is formed over the inorganic wire array and the conjugate polymer layer.