gptkb:audio_equipment
industrial equipment
personal computers
semiconductors
medical equipment
cameras
microwave ovens
fax machines
home appliances
refrigerators
washing machines
mobile phones
security systems
solar panels
automotive components
batteries
LED lighting
projectors
televisions
air conditioners
vacuum cleaners
Blu-ray players
lamps
hair dryers
lithium-ion batteries
energy solutions
rice cookers
telephones
electric shavers
DVD players
electric fans
electric toothbrushes