ABSTRACT
Figure 3.1 illustrates the functional requirements of a roof. Function requirements of roofs https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781315845173/1a47b3fa-fcb2-4554-a0e5-1f800e287814/content/fig3_1_B.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/>
