Joke Collection Website - Bulletin headlines - In construction safety, what do the "three standards and seven specifications" of the Ministry of Construction specifically mean?

In construction safety, what do the "three standards and seven specifications" of the Ministry of Construction specifically mean?

the three standards are the grading standard for building construction safety inspection, the evaluation standard for safety production of construction enterprises and the environmental and health standard for building construction site.

the seven specifications are Technical Specification for Safety of Working at Height in Building Construction, Technical Specification for Safety of Building Demolition Engineering, Technical Specification for Safety of Fastening Steel Pipe Scaffolding in Building Construction, Technical Specification for Safety of Portal Steel Pipe Scaffolding in Building Construction, Technical Specification for Safety of Temporary Electricity Use in Construction Site, Safety Specification for Power Supply and Use in Construction Site and Technical Specification for Safety of Hydraulic Sliding Formwork Construction.