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The sun is rising, casting red and orange light behind the mountains in the early morning, with trees in the foreground intentionally blurred.
Woman walking barefoot on warm floor, closeup. Underfloor heating system, double exposure
A repairman checks a gas boiler in a bathroom while using a digital tablet with online app for diagnostics. His work involves ensuring the heating system functions properly and efficiently.
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.
Two railway workers in safety vests and helmets take a break on concrete beams, showing fatigue while offering comfort and encouragement to one another on site.

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