Question

 (a) What are the negative health implication of metals in a structure/building? (b) Mention and briefly explain five (5) famous structure/building that was constructed using steel.

Answer 1

We use steel mostly for building. Steel influence lot in structure regards of health

Some negative health implementation.

1) expose steel rust easily so if human come in contact with steel or any wound happened then human suffer from tetanus which is serious health issue

2)If rain water seep through steel then it contaminate water which is carry bacteria this is going to be serious problem .

3 ) now a day covid 19 virus is last long on steel so if any person touches steel which is contaiminate with virus. It may spread decease.

4) various metal like lead , chromium use in structure. Long exposure with these metal implicate respiratory problems.

5) this is rare but we can't omit the possibility. If some loosen metal parts fall on person which is fatal to human being.

five famous steel structures-

1) Brooklyn Bridge which is steel cable first bridge. Constructed 1869 New York USA

2) Sydney harbor bridge Australia which is good example of steel arch bridge.

3)Bird nest - established for Olympic. In 2008 in China which uses approx 42500 tonn steel

4) empire State building - constructed in USA in 1931 this building is recognised as among early days skyscraper.

5) Eiffel Tower this structure come in wonders of world established in 1889 in France with wrought Iron.