The GD-7018 series optical fiber pipeline identifier e ka fumana le ho lekanya botebo ba liphaephe tse ka tlas'a lefatše, lithapo le likhoele tsa optical tlas'a boemo ba ntle le ho cheka, 'me ka nepo li fumane lintlha tse senyehileng tsa lesela la kantle la liphaephe tse ka tlas'a lefatše le sebaka sa lintlha tsa phoso tsa cable ka tlas'a lefatše.