The Eiffel Tower is strong and stable because it 's made of 7ooo tons of pulling iron to make it strong also the metal bars make triangles and four legs to make it stable.
The Statue Of Liberty
It is embossed with copper, it is made from 300 copper plates.
It was assembled on a metal structure which ensures its stability.
Gateway Arch
The steel triangles which narrowed as they spiralled to the top were raised into place by a group of cranes and derricks The arch was assembled with prefabricated stainless steel sections.
In order to keep the legs stable, a scissor truss was placed between them, was later removed as the derricks were taken down.
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Tension: The state of being stretched tight.
Failure: Lack of success.
Compression: Flattened by pressure.
Bending: Shape or forced (something straight) into a curve angle.
Tie: Attach or fasten with string or similar cord.
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