Question

telephone wires are kept sitely loose when they are laid? Why​

Answer 1

Answer:

Because of heat.Heat makes metallic white expand and and cold makes the metal shrink.Therefore they could become tight and break in winters.

Answer 2

Answer:

Telephone wires are kept slightly loose when they are laid because in winter due to contraction they might break and in summer due to expansion they will lag.

HOPE IT HELPS.