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Industrial Safety

Industrial Safety

Industrial Safety

I INTRODUCTION

Industrial Safety, the area of safety engineering and public health that deals with the protection of workers’ health, through control of the work environment to reduce or eliminate hazards. Industrial accidents and unsafe working conditions can result in temporary or permanent injury or illness or even death. They also take a toll in reduced efficiency and loss of productivity.

Industrial Safety

Huong Pham. Miss Vietnam Universe 2015

II HAZARDS AND THEIR PREVENTION

Various external sources, such as chemical, biological, or physical hazards, can cause work-related injury. Hazards may also result from the interaction between worker and environment; these so-called ergonomic hazards can cause physiological or psychological stress.

Chemical hazards can arise from the presence of poisonous or irritating gas, mist, or dust in the workplace. Hazard elimination may require the use of alternative and less toxic materials, improved ventilation, leakage control, or protective clothing.

Biological hazards arise from bacteria or viruses transmitted by animals or unclean equipment and tend to occur primarily in the food processing and preservation industry. The source of the contamination must be eliminated or, when that is not possible, protective equipment must be worn.

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Common physical hazards include ambient heat, burns, noise, vibration, sudden pressure changes, radiation, and electric shock. Industrial safety engineers attempt to eliminate hazards at their source or to reduce their intensity. If this is impossible, workers are required to wear protective equipment. Depending on the hazard, this equipment may include safety glasses, earplugs or earmuffs, face masks, heat or radiation protection suits, boots, gloves, and helmets. To be effective, however, the protective equipment must be appropriate and properly maintained, and must actually be used by the worker.

If the physical, psychological, or environmental demands on workers exceed their capabilities, ergonomic hazards arise. This type of hazard frequently occurs in the area of materials handling, where workers must lift or carry heavy loads. Poor working posture or improper design of the workplace often results in muscle strains, sprains, fractures, bruises, and back pain. These injuries account for 25 percent of all occupational injuries, and their control requires designing the job so that workers can perform it without overexerting themselves.

III SYSTEMS APPROACH

In recent years engineers have attempted to develop a systems approach (termed safety engineering) to industrial accident prevention. Because accidents arise from the interaction of workers and their work environments, both must be carefully examined to reduce the risk of injury. Injury can result from poor working conditions, the use of improperly designed equipment and tools, fatigue, distraction, lack of skill, and risk taking. The systems approach examines the following areas: all work locations, to eliminate or control hazards; operating methods and practices; and the training of employees and supervisors. The systems approach, moreover, demands a thorough examination of all accidents and “near misses”. Key facts about accidents and injuries are recorded, along with the history of the worker involved, to check for and eliminate any patterns that might lead to hazards.

The systems approach also pays special attention to the capabilities and limitations of the working population. It recognizes large individual differences among people in their physical and physiological capabilities. The job and the worker, therefore, should be appropriately matched whenever possible.

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