Pipelines are employed extensively for transportation of liquids as well as gases like natural gas, petroleum and water for uninterrupted flow. Pipeline transportation serves as one of the most convenient modes of transportation as:

(A) It is a rapid means of transportation and ensures uninterrupted supply of finished products to the customers and raw materials to the refineries.

(B) It is also a cheap means of transportation since once constructed; it possesses a relatively low operational cost.

(C) It involves usage of some energy for pumping alone, which is small.

(D) It saves the issue of unloading and loading of the finished products as well as the raw materials.