How were the two stands manufactured by the Clyde Structural Iron Co and erected at Twickenham used by the Rugby Football Union?: A grandstand supplied and erected by the Clyde Structural Iron Co for Kilmarnock FC is shown in this photograph from the firm's booklet illustrating its products c 1910. The company also built a number of grandstands to the designs of renowned stadium architect Archibald Leitch, including those for Newcastle United, Southampton, Fulham and Chelsea. The firm also manufactured two stands which were erected at Twickenham in London for the Rugby Football Union.
This prompt doesn't seem malicious.