The provisions of the Explanatory Note to heading 73.08 apply, mutatis mutandis, to this heading.
In the case of aluminium, structural parts are sometimes bonded together with synthetic resins or rubber compounds instead of being fixed by the ordinary methods of riveting, bolting, etc. In view of their lightness, aluminium and its alloys are sometimes used instead of iron or steel in the manufacture of structural frameworks, ships' superstructures, bridges, sliding doors, electric grid or radio pylons, telescopic pit props, door or window frames, railings, etc. The heading excludes :(a) Assemblies identifiable as parts of articles of Chapters 84 to 88. (b) Floating structures of Chapter 89. (c) Prefabricated buildings (heading 94.06).
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