Question 1
What is one drawback to a cast-iron building?
◦ It is not heat and fire resistant.
◦ It does not allow for lighter exterior walls.
◦ It does not allow for flexible interior spaces.
◦ It cannot span large spaces.
Question 2
What is one drawback to using carbon fiber in architecture?
◦ its expense
◦ its flammability
◦ its negative environmental impact
◦ its scarcity