Scales; Thermostats; Acoustic alarms; Climate control digital thermostats; Dog whistles; Electric relays; Electric switches; Electrical adapters; Electrical outlets; Electrical plugs; Electrical and electronic burglar alarms; Electronic collars to train animals; Piezoelectric sensors; Power adapters; Remote controls for radios, televisions, stereos, air-conditioning apparatus; Smoke alarms; Smoke detectors; Time recording apparatus; Vacuum gauges; Weighing machines