Workplace safety is an essential part of environmental health because employees spend a significant portion of their lives in occupational settings where they may be exposed to physical, chemical, biological, mechanical, ergonomic, and psychological hazards. A presentation for newly joined employees should therefore not merely provide rules but should help them understand why safety is important, how hazards can affect health, and what they should do to prevent accidents and occupational illnesses. I would plan the presentation systematically by first identifying the needs of the audience, then organizing relevant information, selecting suitable communication methods, and finally evaluating whether the employees have understood the message. The first step would be to understand the workplace and the employees who will attend the presentation. I would collect information about the nature of work performed in the organization, common workplace hazards, emergency procedures, available protective equipment, sanitation facilities, fire safety arrangements, first-aid facilities, and organizational safety policies. Since the employees are newly joined, I would assume that they have little or no knowledge of the organization's specific safety practices. I would therefore avoid excessive technical information and focus on practical knowledge that they can immediately apply. I would establish clear objectives for the presentation. By the end of the session, employees should be able to identify common workplace hazards, understand basic preventive measures, use personal protective equipment correctly, follow safe working procedures, respond appropriately during emergencies, and report unsafe conditions or incidents. These objectives would guide the selection of content and prevent the presentation from becoming unnecessarily lengthy or complicated. The content would be organized logically. I would begin by explaining the meaning and importance of workplace safety. Employees should understand that safety is not simply the responsibility of managers or safety officers; every worker has a role in preventing accidents and protecting health. I would then explain the major types of workplace hazards. Physical hazards may include excessive noise, heat, radiation, vibration, poor lighting, and unsafe machinery. Chemical hazards may arise from toxic gases, solvents, dust, corrosive substances, or other hazardous chemicals. Biological hazards may include bacteria, viruses, fungi, and contaminated materials. Ergonomic hazards can result from poor posture, repetitive movements, improper lifting, or badly designed workstations. Psychological hazards may include excessive workload, stress, harassment, violence, and fatigue. After identifying hazards, I would