Agriculture: The science or practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.
Manufacturing: To make something on a large scale using machinery.
Wholesale: The selling of goods in large quantities to be retailed by others.
Retail: The sale of goods to the public in relatively small quantities for use of consumption rather than retail.
Service: The action of helping or doing work for someone.
