What is the purpose of the buffers at the ends of the trolley's travel?

The purpose of the buffers at the ends of the trolley's travel is primarily to prevent damage and provide a smooth stop. These buffers act as a cushioning mechanism that absorbs the impact when the trolley reaches the end of its travel path. This is crucial for maintaining the integrity of the trolley system and ensuring that any abrupt stops do not lead to mechanical failure or damage to surrounding structures.

Having buffers helps in extending the life of the equipment by reducing wear and tear. Additionally, they contribute to safety by minimizing the risk of accidents that could arise from sudden jolts or uncontrolled stops, thereby protecting both the operator and the load being handled. While the other options provide some context about equipment usage, they do not relate directly to the primary function of the buffers in providing a safe and effective operational environment.