How does proper runby affect the operation of suspension means?

Proper runby is crucial to the functionality of suspension means because it ensures that all components are correctly aligned and operate without interference. When runby is optimized, each part of the suspension system can perform its role effectively, contributing to a smooth and reliable operation. This alignment minimizes friction and wear on the components, which not only enhances the overall performance but also extends the lifespan of the suspension system.

While the other options touch on aspects that might be influenced indirectly by adequate runby—such as appearance and sound output—these factors are secondary to the primary function of ensuring uninterrupted and efficient operation of the suspension means. Proper runby directly addresses the mechanical integrity of the system, making it the most relevant choice.