Construction sites and equipment present many hazards if proper care is not taken. The space in and around a construction site is often filled with potentially dangerous, high-powered equipment capable of delivering high forces. Construction sites are also often busy and congested with many people performing a variety of tasks. This complex situation is compounded by the fact that there is typically limited space and visibility available to workers. As a result, there are a wide range of construction accidents involving falls, conveyors, heavy machinery and vehicles, handheld tools, safety harnesses, head, eye and hand protection, and scaffolding and ladders.