Which product innovation, introduced in the 1880s, revolutionized architecture by enabling the construction of the first true skyscrapers?

Architecture continually evolves through groundbreaking product innovations that transform how we design and experience spaces. From revolutionary materials to sustainable technologies, architectural product innovation shapes our built environment. Test your knowledge of a landmark product innovation that forever changed modern architecture and construction practices!

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Steel frame construction
Reinforced concrete
Curtain wall systems
Elevator safety brakes