Somebody must have turned off the switch which regulated the flow.
Although a barrier to fish, it does not regulate flow.
However, there is no global framework to regulate financial flows.
The traffic department regulates the flow of work in the agency.
If we regulate the flow, that will be better for everyone.
"But it's a reasonable attempt to try to regulate the flow."
He regulated the flow of oxygen from the tank on his back.
Nerves in the skin regulate the flow of blood into the veins near the surface.
How can we regulate the flow of combustion air through this pipe?
Many countries have regulated the flow of political funds.