2007-09-06 03:30:32 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Earth Sciences & Geology
Copper and lead are high end roofing materials.
Bronze saw limited use in tension in roman construction.(dome at St Peters).
Cast iron was used in columns before the advent
of inexpensive steel.
(I assume you are equating the two).
2007-09-06 06:28:01 · answer #1 · answered by Irv S 7 · 0⤊ 0⤋
"Give me your tired, your poor, your huddled masses."
Sound familiar? The Statue of Liberty is green because she is covered with a thin layer of...you guessed - it copper.
2007-09-06 03:41:26 · answer #2 · answered by chuck 2 · 0⤊ 0⤋
I don't think there are any buildings made of iron either.
2007-09-06 04:05:16 · answer #3 · answered by Anonymous · 0⤊ 1⤋
only for cladding, never for structural members.
2007-09-06 03:38:21 · answer #4 · answered by Anonymous · 1⤊ 0⤋