IGNITION COMPONENTS FOR COMBUSTION ENGINES AND HEATERS INCLUDING COILS, TRANSFORMERS, TRANSISTORS, AMPLIFIERS, SPARK PLUGS, RESISTORS, DISTRIBUTORS, COOLING STRUCTURES AND WIRE; LABORATORY AND INDUSTRIAL HIGH VOLTAGE SPARK GENERATORS AND POWER OURCES; TEMPERATURE AND VOLTAGE REGULATORS; ALTERNATING CURRENT RECTIFIERS AND ELECTRICAL INSECT LURING AND DESTROYING DEVICES