| 摘要 |
A method of covering a structure with a panel assembly, comprises laying on the structure a first panel which has first and second marginal ridge portions and an attachment flange extending from the first marginal ridge portion and fixing the attachment flange of the first panel to the structure by means of a fastener passing through the attachment flange. A second panel having first and second marginal ridge portions is placed in overlapping relationship over the first panel thereby to conceal by means of the second marginal ridge portion of the second panel the fixing of the attachment flange of the first panel to the structure. Fastening means are passed through the overlapping first and second marginal ridge portions at locations spaced from said structure. The overlapping marginal ridge portions are then connected together by using the fastening means.
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