that each pipeline is designed , fabricated and operated in a safe , reliable and costeffective manner involves a multitude of professional disciplines .
O O O O B-SKILL O B-SKILL O B-SKILL O O O O O O B-SKILL O O O O O O O O
IN DT NN VBZ VBN , VBN CC VBN IN DT JJ , JJ CC JJ NN VBZ DT NN IN JJ NNS .