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Warm air flow on a dark background. Infrared wind wave light effect. Vector illustration
Air source heat pump unit with icicles hanging from casing installed against modern brick building surrounded by snow during winter. Energy-efficient residential heating technology.
People helping mature woman on city street. Suffering from heat stroke
Winter time. Thermometer on snow shows low temperatures in celsius.
Plumbing concept or service water worker. copper pipeline of a heating system in technical room. Boiler and expansion expansion tank system, detail of pressure gauge.

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