Alarms for the detection of inflammable gases; Apparatus for testing gas, liquids and solids; Range finders for cameras; Measuring apparatus for temperature and humidity levels in gases and solid substances; Rifle scopes; Rangefinders for golf; Lidar apparatus; Laser pointing device for use with firearms; Laser rangefinders; Telescopic gun sights; Thermal imaging systems, not for medical use; Remote controlled thermal imaging systems, not for medical use; Night vision goggles; Borescopes; The...