Each of these substances is produced by exocrine or endocrine cells found in the mucosa. 1  The main exocrine product of the stomach is gastric juice â a mixture of mucus, hydrochloric acid, and digestive enzymes. 2  Gastric juice is mixed with food in the stomach to promote digestion.
Industry is the production of goods or related services within an economy. The major source of revenue of a group or company is the indicator of its relevant industry. When a large group has multiple sources of revenue generation, it is considered to be working in different industries.
DEFINITION of 'Industry'. A classification that refers to a group of companies that are related in terms of their primary business activities.In modern economies, there are dozens of different industry classifications, which are typically grouped into larger categories called sectors.EFINITION of 'Industry'. A classification that refers to a group of companies that are related in terms of their primary business activities.