9 Accumulators, electric; Dual amplifier balancers; Fire pumps; Frequency meters; Gas testing instruments; Infrared detectors; Lasers for measuring; Life-saving capsules for natural disasters; Life saving rafts; Locks, electric; Measuring devices, namely, fluorometers; Metal detectors; Precision balances; Radiation detectors; Stereoscopes; Surveying instruments; Telemeters; Telescopes; Temperature meters not for medical use; Vibration meters; Voltmeters; Weighbridges; Wind pressure gauges; Electrified fences; Electronic notice boards; Measuring rules; Surveyors' levels