[ space heaters for domestic and commercial use; ] ventilating fans for domestic and commercial use; air conditioning units

'air':15 'commerci':6,13 'condit':16 'domest':4,11 'fan':9 'heater':2 'space':1 'unit':17 'use':7,14 'ventil':8

Thermostats, subbases, electrical transformers and relays, electrical contactors, electric controls, switches and solenoid valves

'contactor':8 'control':10 'electr':3,7,9 'relay':6 'solenoid':13 'subbas':2 'switch':11 'thermostat':1 'transform':4 'valv':14

[ Air compressors; and ] electric motors for machines

'air':1 'compressor':2 'electr':4 'machin':7 'motor':5

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