Animal certificate includes two directions, one is animal breeding and the other is animal experiment. Generally, animal experiments should be chosen. The specific content is mainly the content of experimental operation and the choice of animals during the experiment. Some common experimental animals have specific characteristics, such as counseling books and computer exams, all of which are multiple-choice questions, and the results can be known on the spot.

Employment certificate refers to the qualification certificate of engaging in a certain industry or post. This qualification is manifested in the objective existence or qualification of ability and conditions. China's employment certificate involves too many industries, and it needs to be inspected or assessed before it can be obtained. The employment certificate varies according to the requirements of the unit. The employment certificates of personnel trained independently by general enterprises can only be used within the unit, and there are professional and technical certificates issued by the state, which can be used all over the country. Technical post operation certificate for short.