What does "confined space" mean in industrial terminology?

In industrial terminology, a "confined space" refers to an area that is not designed for continuous human occupancy but that has restricted means of entry and exit. This definition recognizes that such spaces can present various hazards to workers, including asphyxiation, toxic exposure, or physical injury. The specific characteristics of a confined space—namely its restricted access and potential dangers—make it crucial for workers to receive training and adhere to safety protocols before entering.

The first choice captures the essence of what constitutes a confined space by highlighting its limitations and potential risks, emphasizing the need for caution and preparation when work is required in such environments. Understanding this definition is essential for effectively implementing safety measures and ensuring that workers are adequately protected when they must enter these types of spaces.