New employees in enterprises must receive (three-level) safety education before taking up their posts, that is, new employees' factory level, workshop level and team level. (Level 3 safety training) The education time shall not be less than 24 hours.

You drew four brackets in the middle. I'm a little unsure. Please look at the topic again. How many spaces are there in the middle?

Attachment: Summary of the requirements of Order No.3 of state administration of work safety:

Chapter III Safety Training for Other Employees

Thirteenth coal mines, non-coal mines, dangerous chemicals, fireworks and other production and business units must carry out compulsory safety training for new temporary workers, contract workers, laborers, rotation workers, contract workers and so on.

It is proved that he has the knowledge and skills needed for safe operation, self-help and mutual rescue and emergency response in this post before arranging post work.

Fourteenth other employees of processing, manufacturing and other production units must go through three levels of safety training and education in factories (mines), workshops (workshops, districts, teams) and teams before taking up their posts.

Production and business units can conduct safety training for other employees according to the nature of their work to ensure that they have the knowledge and skills of safe operation and emergency response in their posts.

Fifteenth new employees of production and business units, pre-job training time shall not be less than 24 hours.

The safety training time for new employees in coal mines, non-coal mines, dangerous chemicals, fireworks and other production and business units shall not be less than 72 hours, and the annual retraining time shall not be less than 20 hours.