GENERAL CONDUCTOR RESISTANCE CLAMP ENVIRONMENTAL TEST EQUIPMENT SOFT CABLE RETENTIVITY TESTER SOCKET WITHDRAWAL FORCE TEST SET CONDUCTOR EXTENT OF DAMAGE TESTER LOW-TEMPERATURE IMPACT TEST DEVICE CONNECTOR CONTACT ENGAGING AND SEPARATING FORCE TESTER MICROCOMPUTER TENSION TESTER ELECTRICAL WIRE CABLE FLAME RESISTANCE TEST DEVICE BLOCK LETTER FASTNESS TESTER ELECTRICAL WIRE AND CABLE BENDING TESTER LOW TEMPERATURE WINDING TEST SET DC LOW RESISTANCE TESTER AUTOMATIC INSULATION PRESSURE RESISTANT TEST INSTRUMENT CONSTANT TEMPERATURE CISTERN SPRING HAMMER SWING HAMMER IMPACT TESTING MACHINE BALL TEST DEVICE TEST NAIL IGNITION INTERSPACE TEST CARD HOME ELECTRICAL APPLIANCE STABILITY TEST BENCH CURRENT LEAKAGE TRACE TESTER NEEDLES FLAME TESTER PLASTIC FLAMMABILITY TEST DEVICE HIGH CURRENT ARC IGNITION TESTER WATER DRENCHING SPLASHING SPRAYING RESISTANT TEST SET TEST PROBE