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Radial wave sound lines. Circular frame. Sound circle ring. Wavy roun frame. Radial sun rays symbol. Wavy geometric silhouette. Abstract design element. Vector illustration on white background.
Early protostar with nebula clouds erupting of the Sun's surface. Star of our solar system concept 3D illustration. Flares and coronal mass ejections unleash a torrent of searing hot gases into space.
Bleed air valve in heating radiator. Adjust heating system, preparing the house for the new cold autumn or winter season. Hand with a key for draining air drains water and air from the heater.
House model wrapped in scarf on radiator indoors, space for text. Winter heating efficiency
Radiology icon. Radiation logo for radiology department.

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