Chemists are the most needed people for a developed country with a wide range of working environment. In the industry, they can be employed in three basic units including quality control, production and research-development. Chemists work in production and development units of steel works, petrochemical industries, detergent, polymer, paint, food, cellulose, cosmetics, glass, cement, textile, pharmaceutical companies. Chemists also work at public and private clinical diagnosis laboratories, environmental monitoring labs, molecular biology labs, research centers and hospitals. In addition, chemists can continue their education at postgraduate level studies for academic career or higher positions in the industry.