In any given country, pipelines play an important role in providing the needed fuels for sustaining vital functions such as power generation, heating supply and transportation. But when pipelines are not adequately maintained, there is a tendency that they might turn to instruments of wastage. In Nigeria, pipeline and storage depots for the distribution of petroleum products are divided into five operational zones. They include Port-Harcourt, Warri, Mosimi, Kaduna and Gombe operational zones. These are administered by Pipelines and Products Marketing Company Limited (PPMC), a subsidiary of Nigerian National Petroleum Corporation (NNPC), for easy distribution of products across the country... Source: Olowa, Peter. "Signal from Operational Zones." BusinessDay. Web. 9 Jun. 2014.