Because food is a basic life necessity, it must be kept safe from contamination to prevent illness or infection. Food safety specialists are tasked with observing and testing food samples to ensure the integrity of products in order to protect the general population.

A master program may be offered in a variety of different fields, allowing students of almost any subject to enhance their knowledge and improve their credentials. This degree generally takes one to three years to obtain, although requirements may vary.

Part-time learning allows one to obtain a degree or qualification even if one cannot attend school on a full-time basis. One can learn at one's own pace, gradually accumulating credits that count towards a final qualification.