Answer:
steel are used widely in the construction of roads, railways, other infrastructure, appliances, and buildings. Most large modern structures, such as stadiums and skyscrapers, bridges, and airports, are supported by a steel skeleton. Even those with a concrete structure employ steel for reinforcin
Explanation:
Answer: Skyscrapers
Explanation: Steel was a light heavy duty material, which allowed buildings to be taller, and be more stable
