Why does petroleum refineries act as a "nodal industry" for synthetic textile?
Follow the below mentioned links.
https://www.meritnation.com/ask-answer/question/why-is-petroleum-also-reffered-as-nodal-industry/minerals-and-energy-resources/1840734
https://www.meritnation.com/ask-answer/question/petroleum-refineriesact-as-nodal-industry-for-synthetic/minerals-and-energy-resources/1825362
https://www.meritnation.com/ask-answer/question/why-is-petroleum-also-reffered-as-nodal-industry/minerals-and-energy-resources/1840734
https://www.meritnation.com/ask-answer/question/petroleum-refineriesact-as-nodal-industry-for-synthetic/minerals-and-energy-resources/1825362