How do you rectify this hazards?

To rectify hazards, first conduct a thorough risk assessment to identify and prioritize the hazards present. Implement appropriate control measures, such as eliminating the hazard, substituting safer alternatives, or using engineering controls. Additionally, ensure proper training and communication for all affected individuals, and establish regular monitoring and review processes to maintain safety standards. Lastly, encourage a culture of safety where employees feel empowered to report hazards.