What is the term for an opening in the floor, platform, or pavement that measures 12 inches or more?

The term that refers to an opening in the floor, platform, or pavement that measures 12 inches or more is "Floor Opening." This definition is significant in the context of safety regulations and practices. Floor openings pose potential fall hazards, and understanding this term helps workers recognize the need for safety measures, such as guardrails or covers, to prevent accidents in areas where these openings exist. By being familiar with the terminology related to workplace hazards, individuals can better adhere to safety standards and promote a safer work environment.