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Steel, lots of steel. Concrete, wood, iron (rebar), paint, corrugated iron and plastic for the seats.
The SFS was made out of concrete, metal, Grass, Dirt, Steel and timber
Steel and Aluminum would likely be very common in a Stadium's construction.
stadiamthe
Americans used steel to build bridges and skscapers.
The material used to build the bridge was wood and steel
Glass and steel
Steel
Approximately 10,700 tons of steel was used, nearly four-times-less than that required for the 2008 Beijing stadium.
Its a stronger type of steel and 60 ksi steel was used to build Taipei 101.
zinc and many other minerals go www.minerals.com/stadium you will find them here
Concrete, glass, wood and steel were used to build the Calgary tower.