Radar apparatus; Position sensors for vehicles; Electrified fences; Coveralls for protection against accidents or injury; Microprocessors; Computer hardware; Integrated circuits; Electronic access control systems for interlocking doors; Radios; Data processing apparatus; Surveying apparatus and instruments; Anti-theft alarms, other than for vehicles; Headgear being protective helmets; Metal detectors for industrial or military purposes; Wearable activity trackers