A close-up of a hand holding a spray can and spraying the substance onto a heating radiator standing on the floor. The focus is on the spraying process itself: small droplets or a light mist from the spray directed at the radiator, emphasizing movement and action. The radiator is partially visible from the left side of the image – a classic sectional radiator, typical for many apartments, with several white metal plates reflecting light. The background is blurred, with warm shades of brown and beige creating a cozy and calm atmosphere in the room. The lighting is soft, warm, and diffuse, adding a sense of home comfort. The spraying element highlights the action of improving the radiator's heat output, as if it's a routine procedure for enhancing the room's heating.