Abstract: A roller for cleaning surfaces includes a handle for holding the roller. A connecting rod is coupled to the handle. A roller cover made at least in part of a material suitable for applying a cleaning solvent to a surface when the roller cover is rolled along the surface is included. A roller frame supports the roller cover and is rotatably mounted to a segment of the connecting rod so that the roller frame can rotate about the section of the connecting rod. A seal is provided for substantially sealing between the roller cover and the roller frame so that passage of fluid to the inside of the roller cover is substantially prevented so that passage of particles from the inside of the roller cover is substantially prevented. A catch is provided between the roller frame and the section of the connecting rod and interior to the roller cover for allowing rotation of the roller frame in one direction only.

Abstract: A contamination control mat configuration and tool for removing sheets therefrom provide for more effective and efficient removal of contamination control sheets. The shape of the mat has a perimeter defining a closed plane figure having an axis extending in a direction about which the closed plane figure is substantially symmetric. The figure has at least one converging portion at an end of the closed plane figure converging toward and terminating adjacent the tab wherein the tab extends away from the figure substantially in the same direction as the axis. The tool is a roller having a rotatable roller bar supported by a bracket and handle and further including an apparatus for applying an adhesive to the roller bar.