asian engineer working on smart phone with external unit of commercial air conditioning and ventilation system installed on industrial building roof
Schlüsselwörter
asian,
mobile,
man,
male,
person,
service,
hard hat,
manager,
online,
connection,
vest,
device,
cyberspace,
smartphone,
technician,
engineer,
energy,
sustainability,
energy efficiency,
air conditioner,
electrical,
cool,
climate,
ac,
maintenance,
air conditioning,
heat,
cold,
condenser,
conditioner,
temperature,
construction,
factory,
fan,
conditioning,
power,
control,
technology,
industrial,
system,
cooling,
ventilation,
air,
roof,
rooftop
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