What defines a confined space?

A confined space is characterized by both its size and accessibility, alongside its intended use. Specifically, it must be large enough for an individual to enter and perform tasks, which encompasses the first aspect of the definition. Additionally, a confined space typically has restricted means of entry and exit, meaning that it is not designed for continuous human occupancy. This restrictiveness is critical because it can create hazardous conditions for workers inside.

In general terms, both of these factors play a significant role in delineating a confined space. Therefore, recognizing that a confined space must satisfy both the size requirement and the limitation on occupancy and access clarifies why the correct answer includes both criteria. Thus, combining both aspects as defining features of a confined space is essential for understanding safety regulations and compliance measures that must be followed when working in or around such spaces.