no
It wasn't. Galvanised steel is a manufactured product.
The design is special because it is a single steel arch. Sydney's harbor bridge is the most famous/well known bridge of this design type.
the sdyney harbor bridge is made up of about thirty tons of steel and people cantake tours up the bridge but they have to be strapped in the safety wires
No, the Harbour Bridge is a Steel arch bridge as the frame structure supporting it is an arch, but however consists of triangles.
aluminum steel
It wasn't. Galvanised steel is a manufactured product.
No. Sydney Harbour Bridge is not the longest bridge, by any means. It is the largest steel arch bridge in the world, but it is not the longest.
no no
To be hard and heavy
It is located in Sydney, Australia. The Sydney Harbor Bridge is a steel through arch bridge across Sydney Harbor that carries rail, vehicular, bicycle and pedestrian traffic between the Sydney central business district (CBD) and the North Shore. The dramatic view of the bridge, the harbor, and the nearby Sydney Opera House is an iconic image of Sydney and Australia.
Steel is put in a pool of hot zinc at about 460˚ Celsius (860˚ Fahrenheit).
they are normally formed from plastics or galvanised steel (steel that is coated in zinc to prevent it rusting)