How do public safety regulations protect workers?

public safety regulations protect workers by mandating employers of labor to provide: Insurance for workers against accident or illness, provision of safety equipment for workers,proper hygiene conditions,Risk assessment,safety education and practice

Explanation:

public safety regulations are regulations/rules put into law by the Government to protect workers from hazards and risks that come with their job description this regulations must be carried out by the employers for the well being and safety of the workers

i would say it is the roman empire europe after the norman conquest.