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Man undoing his shirt button to chill himself on an unbearable heat
Repairman inspects gas boiler in bathroom, checking controls and ensuring proper function for home heating and hot water needs, using digital tablet with manual instruction, standing in utility room
Air source heat pump installed outside a house, green renewable energy
Towel radiator bathroom radiator towel rail heating valve pipes white closeup showing chrome fittings and plumbing connection on a wall-mounted bathroom heater with tiled background detail.
Combined Cycle Power Plant. Steam Turbine Modern Clean Power generator building. Large electricity industry.

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