| 摘要 |
PROBLEM TO BE SOLVED: To solve the problems that the end of a roof member jumps up because the corrugated roof member is attached while shifting it by one crest to prevent a leakage of rainwater when it is constructed, dust and trash accumulate in a clearance and stop the flow of rainwater, and rainwater leaks from a hole of a bolt due to wind, so as to prevent jumping-up phenomenon of conventional washer and fitting from their fixed positions. SOLUTION: The construction can be done by merely replacing the conventional washer 5 with this pressing fitting 1.
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