Stock Photos with High Commercial Value
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Technician pointing to air conditioner filter full of trapped dust that is harmful to health
Technician spraying chemical water onto air conditioner coil to clean and disinfect
Technician servicing, maintaining and fixing a ceiling air conditioner cartridge in office
Person hand with glove pointing on thick dirty dust on air conditioner filter
Series of technician servicing the indoor air-conditioning unit. Vacuuming dust and deposits
Series of technician servicing the indoor air-conditioning unit. Inspecting dust filter.