摘要 |
<p>By lateral displacement (V) of the roofing or wall components (2,3,4), one hook (8) is engaged in a recess (10) of an upper roofing or wall component (3') and a second hook (7) is engaged in a second recess (9) of a roofing or wall component (2') displaced beneath it. A sprung storm clamp (5) is of metal wire, of ageing-resistant plastic or compound material.</p> |