The wooden poles well impregnated with creosote oil or any preservativ – McqOptions

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1.	The wooden poles well impregnated with creosote oil or any preservative compound has life$?
A.	From 2 to 5 years
B.	10 to 15 years
C.	25 to 30 years
D.	60 to 70 years
Answer» D. 60 to 70 years

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