A self-cleaning screen for shallow water pumping includes a rotatable drum made of mesh material for removing debris from water passing into the drum, and a suction chamber within the drum for feeding water to a suction pipe connected to a centrifugal pump. The material is cooled to below the melting temperature of the material to form a supercooled liquid phase with heat transfer plate with cooling channels. , a tube, connected to a housing of a switch, which is permanently connected to a second expansion element, e. The driveline assembly includes a plurality of power transmission rotatably supported by arm portions. The analysis includes determining the class of call content, e.