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Natural Gas. High prices of natural gas. Blue flames of gas burning from a kitchen gas stove. Energy crisis concept background.

Woman turning on the gas burner on the stove.

Team of heating engineers checks a old gas heating system thermostat, holding a Clipboard with checklist at a boiler room in a house. Gas heater replacement obligation concept image

The interior of an industrial boiler room with three large boilers, many pipes, valves and sensors.

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Lit gel burner closeup

Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/lit-gel-burner-closeup-677699">Image used under license from Freestock.com</a>

Gel burner

Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/gel-burner-677694">Image used under license from Freestock.com</a>

Gel burner

Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/gel-burner-677703">Image used under license from Freestock.com</a>