ʻO ka GD-7018 series optical fiber pipeline identifier hiki ke ʻimi pono a ana i ka hohonu o nā pipelines lalo, nā kaula a me nā kaula optical ma lalo o ke ʻano o ka ʻeli ʻole ʻana, a ʻike pono i nā wahi pōʻino o ka uhi waho o nā pipeline lalo a me kahi o ka. nā wahi hewa uwea lalo.