Advantages of steel towers:
1) Greater strength
2) Larger spans, so fewer cells are required
3) Towers have a longer life span
4) They can withstand severe weather/storms
5) Less maintenance is required
6) Can be used as nuns in hilly areas
7) Moderate overall weight
8) Field installation
9) Very good appearance of lines
10) Not costly with iron and steel
11) More height to maintain adequate ground clearance
