Exercise 4 (p. 32): Underline the errors and write a correction. Assignment Irrigation Irrigation management is an interesting field, especially in places where water supplies are low. Irrigation experts have various tasks such as taking soil samples, checking existing water tables, and projecting the amount of rain for the future. These people usually get his degrees from irrigation institutes. Them study many years in order to become familiar with the various tasks involved in her profession. For some of they, a job with local water authorities is a good place to begin his career. Others prefer to find jobs as contractors, working independently to aid farmers with our irrigation needs. Whatever the job, irrigation experts are becoming increasingly important. Water is a precious commodity, and they cannot be taken for granted.