Climbing equipment is an essential tool for mountaineers and rock climbers. One of the most common pieces of climbing equipment is a LADDER, which is a structure made of two vertical posts connected by several horizontal rungs. Ladders are used to reach higher places, such as the top of a mountain or a cliff face. They can also be used to access difficult-to-reach areas, such as caves or crevices. Ladders provide a safe and secure way to ascend and descend, making them an invaluable piece of climbing equipment.