The concept of emotional labor was given by sociologist Arlie Hochschild. In the emotional labor process, the employee display organized desired emotion and manage his or her feeling and expression to fulfill the responsibility of the job and create a state of mind in his or her client.
So here when an airline flight attendant displays organizationally desired emotions when interacting with passengers than it shows that the airline flight attendant is following emotional labor.
Some types of fish and shellfish contain healthy omega oils that will help the development of the fetus's nervous system. However, some contain toxins and possibly viruses (oysters, for example) and must be avoided during pregnancy.