Hippos are considered the most dangerous because they are aggressive, they will attack a boat and turn it over. The don't eat people but they are extremely dangerous due to their size. In Africa, the saying goes 'in the bush, an elephant can kill you, a leopard can kill you, and a black mamba can kill you.
Definition: Job Enrichment is the addition to a job of tasks that increase the amount of employee control or responsibility. It is a vertical expansion of the job as opposed to the horizontal expansion of a job, which is called job enlargement.
In doing so, the manager essentially prevents an employee from losing motivation and interest in their work. There are three ways a manager can redesign an employee's job: job enrichment, job enlargement and job rotation. Job enrichment provides an employee with more tasks to do as part of their job as well as the responsibility and authority needed to complete those additional tasks.