Corrugated iron gumboot

Entering Taihape, Enid is struck by a gumboot.

...
Enid: Is that a...?
Nobby: A gumboot, yes. What else could it be?
Enid: It's made of ...?
Nobby: Corrugated iron.
Enid: It's a symbol!
Nobby: Dead right. It's Taihape's identity. Everything is made of corrugated iron and everyone gets around in gumboots.
Enid: Don't they, well, care?
Nobby: About how they look? The impression they make? They're proud of it. Rome has its Collosseum, Sydney has its opera house, and Taihape, well, Taihape has its corrugated iron gumboot.
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