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- ! scope="row" | [[Media:Sec715.pdf|'''715''']]14 KB (1,833 words) - 12:32, 25 November 2020
- | style="text-align: center;" | [[Media:Sec715.pdf|'''715''']] || PRESTRESSED CONCRETE BEAMS (*) (**) ||| LNFT ||| * TYPE, **24 KB (3,025 words) - 15:06, 22 March 2022