Alarms for the detection of inflammable gases; Apparatus for analysing gases; Electric buzzers; Gas alarms; Gas meters; Gas testing instruments; Geiger counters; Metal detectors; Smoke detectors; Weighing equipment, namely, scales and balances; Wireless queue buzzers

Dehumidifiers; Humidifiers; Air cleaning units; Air filtering installations; Air humidifying apparatus; Air purifiers; Air washers; Bathroom exhaust fans; Electric air dryers; Gas scrubbers; Hot air blowers; Industrial dehumidifiers; Roof fans; Ventilating exhaust fans