According to OSHA and ASME B30.5, how many elements are in each series of voice signals?

The answer is three because OSHA and ASME B30.5 regulations specify that standard hand signals for construction activities, particularly related to cranes and lifting operations, comprise a basic series of three distinct elements. These elements typically include a signal to indicate the intention to proceed, a signal for stopping, and another for caution or warning situations. This structured approach helps ensure clarity and safety in communication among crew members working on sites, minimizing the chances of misinterpretation or error during operations. Following these standards is critical for maintaining a safe work environment in line with safety regulations.