Dark stains on a wall above a household heat radiator

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Size: 5472px × 3648px
Photo credit: © Starring Lab / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, airflow, black, burn, calor, chaleur, conveccion, convection, convectors, convezione, copy, dark, de, dirty, exchangers, flow, heat, heater, heaters, heating, home, house, marks, paint, radiator, radiators, science, smudge, space, spot, stains, thermal, thermic, wall, white