| 11. | This required making substantial alterations to the theater's projectors.
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| 12. | A collection of additional trivial and irrelevant material does NOT lead to a substantial alteration.
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| 13. | When Clough Williams-Ellis bought the house in the early twentieth century, further substantial alterations were undertaken.
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| 14. | However, the designation requires permits for demolition or substantial alteration to be presented to the commission.
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| 15. | Other substantial alterations to an earlier building appear to have been undertaken contemporaneously with the facade.
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| 16. | Early in 1871, substantial alterations were made to a house in Mount Street, about north of the parish church.
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| 17. | Substantial alterations appear to have taken place during the early years of Samuel Egerton's ownership in the mid-18th century.
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| 18. | Since its construction in 1878, the Toowoomba Post Office has undergone substantial alterations due to changes in communication technology.
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| 19. | The novel was adapted for television by Alan Plater, with substantial alterations to the plot, and screened in 1988.
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| 20. | He employed the architect �tienne-Louis Boull�e to make substantial alterations to the buildings and to design an English-style garden.
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