Name one feature that enhances the stability of a crane during operation.

Counterweights are a crucial feature that enhances the stability of a crane during operation. They are additional weights placed on the opposite side of the load being lifted, effectively balancing the crane and preventing it from tipping over. When a crane lifts a heavy load, the center of gravity shifts towards the load. Counterweights counteract this shift by providing an opposing force, ensuring that the crane remains stable and secure throughout the lifting process.

Using counterweights allows the crane operator to lift heavier loads safely, as they distribute the force more evenly and maintain the crane's balance. This mechanism is particularly important in large cranes, where improper balance can lead to accidents or failure of the equipment. The stability provided by counterweights is a fundamental design aspect that directly impacts the safety and efficiency of crane operations.

The other features listed do not directly contribute to the stability of a crane like counterweights do. Faster motors might improve operational speed but could compromise control, while automatic lubrication systems help maintain machinery but do not influence balance. A compact design may save space but does not inherently provide mechanisms for stability, especially under load.