Labels:clock | crt screen | fence | sculpture | sky | tree | windowpane OCR: OUTSIDE AIRIS HEATED PASSING THROUGH ABSORBER AIR GAP AIR SPACEUNDER NEGATIVE PRESSURE AIR SPACE SOLAR HEAT ABSORBER PROFILED SHEET PROMDES WIND BOUNDARY LAYER The boundary layer air is heated and drawn through tiny perforations into the air space 18 SORBER UNDER SHEE WINE
