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.
Meaning - Classification Types of Industries. The production side of business activity is referred as industry. It is a business activity, which is related to the raising, producing, processing or manufacturing of products. Image Credits Â© Barrie Caveman. The products are consumer's goods as well as producer's goods.