Construction industry accidents with cranes, hoists and lifting equipment are more frequent and typically of greater severity than any other class. cranes are a major source of accidents because these machine store energy in three basic forms; potential, kinetic and strain. Since an accident event is characterized by the sudden release of uncontrolled energy, the hazardous link is established. Accident statistics for North America confirm fact that cranes are more dangerous than all other types of equipment which typically work on a construction site.
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