Answers

2016-01-05T17:42:03+05:30
To prevent the rust
1..avoid it from water or moisture.
2.paint its surface.
3.avoid the surface from oxygen contact
0
2016-01-05T17:59:50+05:30
1.galvanisationĀ 
2.applying greece to the metal
3.painting
4.cutingĀ the supply of air.
plz mark as brainliest ans
0