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1. Pre-job training: refers to the process that new employees are familiar with and adapt to the working environment, and its purpose is to enable new employees to master the necessary work skills and business knowledge before joining the job.

2. Continuing education: Continuing education is to predict the employment trend caused by changes in vocational skills and industrial structure, formulate training plans in a planned way, improve workers' knowledge, skills, cultural concepts and work behaviors, and adapt to social development.

With the change of social and economic environment and the adjustment of industrial structure and organizational structure, laid-off workers are facing some problems.

If some are in danger of unemployment, they will find another way out of employment, and some are not unemployed, but need to change jobs. Therefore, continuing education will become increasingly prominent.

3. Vocational education: Vocational education should make workers understand the characteristics and significance of their work, cultivate professional pride and professional ethics awareness, and strengthen the idea of doing their jobs well. Vocational education runs through the whole process of vocational training, daily education and continuing education.