Pass the pork knife exam. The certificate of pork knife is issued by the certification institution under the labor department, which generally requires examination or internship. The specific examination contents include theoretical knowledge and practical ability. Candidates are required to have a certain theoretical knowledge of machinery and food safety, understand relevant laws and regulations, and master the operation of meat cutters skillfully. After passing the exam, they can get the certificate of pork cleaver. Pork splitters are professionals engaged in pork splitting or processing.