An industry like fertilizers industry, petroleum, oil, natural gas based industries are based on chemistry, physics, and thermodynamics principles. An industry that makes soaps uses the principles of making soap solution from chemistry. The processing of raw materials to generation of products uses the knowledge that we have gained in the subject. Physics is used a lot in the optical fibre industry, spacecraft and satellite related industry. Generation of electricity principles of physics is used in power industry.
Mathematics is useful in all subjects. Mathematical principles are used in making electronic devices like computers, calculators. Mathematics is used in the form of accounts and estimations and they are very important in various decision making processes by the management of the industry.
English is used widely in communication from and to the government, public, employees and contractors. Various legal documents are done in English language.