A stabilization platform constructed by creating opposing layers of cribbing is called a ___________ crib.

The term used to describe a stabilization platform that is constructed by creating opposing layers of cribbing is called a box crib. This method involves stacking cribbing in a way that creates a stable, square or rectangular shape, allowing for excellent support and weight distribution for the vehicle being stabilized. Box cribs are particularly effective because they prevent lateral movement and provide a solid base on which to stabilize a vehicle during extrication scenarios.

In contrast, the other options refer to different configurations or techniques that do not specifically describe the structure of opposing layers of cribbing as effectively as a box crib does. Step cribs are designed to create a step-like stability for vehicles that may be at an angle, while pyramid cribs involve a different stacking method that focuses on a tapering design, and simple crib settings do not involve the layered opposition that characterizes a box crib. Understanding these characteristics helps in choosing the right stabilization technique for the specific situation presented during vehicle rescues.