dogma is the sink of electrical matter for battery-operated machine
ice_machine is electric_refrigerator. paddle is rigid_portable_object. milking_machine is electrical_device. milking_machine is externally_powered_device. milking_machine is machine. milking_machine is mechanical_device. baseball_bat is rigid_portable_object. electrical_terminal is electrical_device. resistor is two_terminal_electrical_device. pinball_machine is electrical_device.