Quizzes & Puzzles2 mins ago
orange triangle
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can someone tell me what those posts with the little orange roofs or triangles on the top are for , you see them alongside feilds in the countryside
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For more on marking an answer as the "Best Answer", please visit our FAQ.both previous answers are correct. All over the uk there is a grid of pipelines feeding oil (kerosene) to our airports and raf stations.These orange posts guide a helicopter usually once a month the route of the under ground pipeline to allow the observer to check that ther are no unauthorised digging near the line and he can tell by the colour of the earth if there is a leak.