he chemical industry comprises the companies that produce industrial chemicals. Central to the modern world economy, it converts raw materials (oil, natural gas, air, water, metals, and minerals) into more than 70,000 different products. The plastics industry contains some overlap, as some chemical companies produce plastics as well as chemicals.
Various professionals are involved in the chemical industry including chemical engineers, chemists and lab technicians.
The food industry is a complex, global network of diverse businesses that supplies most of the food consumed by the world’s population. The term food industries covers a series of industrial activities directed at the production, distribution, processing, conversion, preparation, preservation, transport, certification and packaging of foodstuffs. The food industry today has become highly diversified, with manufacturing ranging from small, traditional, family-run activities that are highly labor-intensive, to large, capital-intensive and highly mechanized industrial processes. Many food industries depend almost entirely on local agriculture, produce, or fishing
The soap and detergent industry includes companies that are primarily engaged in manufacturing soap, synthetic organic detergents, inorganic alkaline detergents, and crude and refined glycerin from vegetable oils and animal fats. It is an international industry, and during the early years of 1990, world demand for its products has increased 1 to 3 percent every year. Many of the participants in the industry competed on a global basis. According to analysts, there is a firm correlation the standard of living of a nation and its usage of soap and detergent products. The analysts are expecting the industry to continue to grow in both the industrialized as well as developing nations.
Glass production involves two main methods – the float glass process that produces sheet glass, and glassblowing that produces bottles and other containers. It has been done in a variety of ways during the history of glass.