Why was that feast held?

what feast

festival day  ritually celebrate or reenact, or anticipate events or seasons—agricultural, religious, or sociocultural—that give meaning and cohesiveness to an individual and to the religious, political, or socioeconomic community

Explanation:

professionals can use many types of technology that can them. some examples are, computers (they research and can use for programs for data, they are also used for job applications, school work, and even to make new ideas), speedometers (can get data for unknown data), sometimes something as small as a pen (used for rough drafts, to insert data, and again job applications).