Show AND THIS LITTLE PIC JUST TRAVELS A pig stuck in a pipe- line isn't a special rescue case for tre just a routine job for pipe line maintenance In pipe line a is a peculiar assortment of and brushes which is run through oil pipe lines to clean them A pipe line is well named-it out dirt has a Pig-like and wire bristles of barnyard and it grunts and squeals as it moves along the By keeping hues clear of dirt and these little pigs help oil get to market and thus help keep American consumers supplied with fuel and the countless petroleum products so essential to |