Look on the hoses and gaskets to find from where the fluid could be leaking. Add power steering stop leak additive to your power steering fluid. Lucas Power Steering Stop Additive is 100 percent guaranteed to stop seal leaks. In older cars, the seals shrink, causing leaks.
Diffusion is the net movement of molecules or atoms from a region of high concentration with high chemical potential to a region of low concentration with low chemical potential.
Sociological theory of diffusion. The sociological theory of diffusion is the study of the diffusion of innovations throughout social groups and organizations. The theory uses a case study of the growth of business computing to explain different mechanisms of diffusion.