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I would go for option B , I also explained some other causes of death in workplace.
Death in workplace especially in construction site became a raising issue. According to the Occupational Safety and Health Administration (OSHA), one in five worker deaths in occurred in the construction industry. Of those fatalities, percent were caused by just four types of accidents. These accidents are known as the “fatal four” of the construction industry: falls, electrocutions, struck by object, and caught between.
Falls. In, about percent of worker deaths on construction sites were caused by falls, often through wall openings, floor holes, ladders, scaffolding, roofing, and unprotected edges. OSHA recommends using guardrails, fall arrest systems, safety nets, covers, and restraint systems in order to reduce the risk of injury and death from falls.
Electrocutions. Statistics indicate that in, construction workers were electrocuted on the job. Power lines, inadequate grounding, using equipment improperly, and faulty power cords all contributed to electrocutions on construction sites. Using protective equipment while working with electrical hazards can reduce worker injury and death. Site managers should compile a comprehensive list of all potential electrical hazards and post warning signs to warn workers.
Struck by object. About8 percent of fatal construction injuries result from a worker being struck by a flying, falling, swinging, or rolling object, including vehicles, falling loads, and machinery. High visibility clothing, encouraging alertness, and training workers to never position themselves between a moving and a fixed object can help reduce these kinds of accidents.
Caught between. These accidents include trench or excavation collapses; rolling, sliding or shifting objects; and being caught in machinery. These accidents often result in fatal crushing injuries. When workers are concentrating on the job at hand, they may also be in danger. Workers should never come between a piece of heavy equipment and a wall or other immovable object. Caught between accidents can be prevented through monitoring, alertness, and the continual reinforcement of safety standards
Reference :
- Safety and Health at Work: A Vision for Sustainable Prevention
Occupational Safety and Health Administration, United States Department of Labor
A. Struck by object, this is the leading cause of death on construction.
Falls is the major cause of construction death.