The audio begins in a boiler-room setting, with a hollow binaural echo that fills the space. The listener can detect the distant hum of a drone, which suggests the boiler is off but the system is on standby. There is a distinct click, like a button being pressed, signaling the initiation of the gas boiler. The audio then shifts to the palpable rise of the combustion process, which resonates with a rich, low rumble. This is followed by the sound of gas flowing, creating a steady hissing noise. It's a familiar sound that one might associate with home heating systems. The sound of ignition follows next, a brief, sharp crackle that breaks through the constant hiss of the gas. As the boiler fires up, the drone becomes more pronounced, mixed with the comforting sound of a house being warmed. After some time, there is another clear click, just as distinct as the first one. The rhythm of the combustion slows, the drone and his