Accessories for lighting fixtures, namely, plastic pole with electrical source in protective cover; AC/DC inverters; Air analysis apparatus; Air purifying respirator masks to prevent injury due to dust inhalation; Air quality measurement apparatus, namely, particle counters; Alarms for the detection of inflammable gases; Alcohol breath testing units; Ammeters; Anti-theft alarms, other than for vehicles; Carbon dioxide detectors

Air analysis apparatus; Air quality measurement apparatus, namely, particle counters; Atmospheric oxygen monitors; Carbon dioxide detectors; Carbon monoxide detectors; Dust measuring apparatus; Flue gas analyzers; Gas testing instruments; Temperature indicators; Temperature sensors