The moveable double slide assembly of the comprises a backslide which is connected to the double slide with a link that allows free floatation of the backslide rather than a fixed connection, and thus, the double slide experiences less resistance during travel of the moveable portion. 5-10% of at least one polymer selected from water-dispersible polymers and water-soluble film-forming polymers;c) 4-20% of at least one inorganic solid carrier; andd) 3-20% of at least one antifreeze agent. A system for interference suppression for TDMA andor FDMA transmission is also disclosed. The method includes irradiating steps and. The sprinkler may be adjusted directionally to have a directional stream or spray of water of varying degrees of 360 degree coverage.