________has
the maximum life tenure :
Wooden Poles
Steel Poles
Concrete Poles
Concrete Poles
Concrete Poles
A lattice
tower is a frame work construction made of steel sections. Lattice towers are
used for power lines of all voltages, and the most common type for highvoltage
transmission lines. It's life tenure is maximum among all types of towers.
Hence, the
correct option is (D).
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