Than in close proximity to the center. As a result, it reveals viscous resistance to flow. So that you can retain stream, an external force has to be applied, such as a stress distinction between the finishes with the pipe. Far more technically, viscosity steps the resistance of a liquid https://emiliozdglo.wikitelevisions.com/6278197/how_elfa_pod_system_can_save_you_time_stress_and_money