Prior to the 1950s, commercial buildings used natural ventilation for cooling. Buildings typically had extended perimeter zones so that every office could have access to windows that opened to the outdoors and provided the primary source of light and fresh air.
| File Size : | 1 file , 370 KB |
| Note : | This product is unavailable in Russia, Belarus |
| Number of Pages : | 7 |
| Product Code(s) : | D-28325 |
| Published : | 2006 |
