9 Head protection, namely, protective head guards for industrial purposes ; safety caps being helmets; alarms and warning equipment, namely, security alarms, fire alarms, burglar alarms, anti-intrusion alarms, and gas alarms; protective and safety equipment, namely, personal security alarms ; fire extinguishers; respirators for filtering air; respiratory mask filters, non-medical, and not for artificial respiration; welding masks; boots being protective footwear; protective eyewear; gloves for protection against accidents; safety, security, protection and signalling devices, namely, fire alarms; protective work clothing being for protection against accident or injury; face guards for protection against accident or injury; measuring, counting, alignment and calibrating instruments, namely, measuring tapes; measuring, detecting and monitoring instruments, indicators and controllers, namely, radar detectors; distance and dimension measuring instruments, namely, measuring tapes; rulers being measuring instruments; measuring tapes; bubble levels; Digital force gauges; Measuring apparatus, namely, clamp meters for measuring electricity; voltmeters; laser range finders; position fixing apparatus, namely, electronic navigational and positioning apparatus and instruments; temperature measuring instruments, namely, thermometers; instruments for measuring angles, namely, protractors; jigs being measuring instruments; surveyors' levels; manometers; fibrescopes, other than for medical use; Dial gauge instruments in the nature of timing dials and water meters; measuring rulers; measuring stands, namely, stand-on scales; Hourglasses; sound locating instruments; hygrometers; scales; electronic scales; light meters