softwood poles for communication or power lines, round, debarked on a debarker with complete removal of the bast to a flat surface, the ends sawn at right angles to the axis and / or pointed, not less than 6 m long and not more than 13.05 m , with end diameters not less than 125 mm and not more than 350 mm, impregnated over the entire surface with oily protective solurtion