On your way down, restrict the flow of fuel through it.

These changes work together to restrict the flow of air to the lungs.

How can you believe that, in the 21st century, one could restrict the free flow of opinions?

They also have to restrict flow to less than two and a half gallons a minute.

South Africa also has more than a hundred laws restricting the free flow of information.

By then, the critical decision had been taken to restrict the flow of refugee children into Britain.

All efforts to restrict the flow will only force it deeper underground.

China has done its best to restrict the flow of information to citizens, even limiting access to financial data and the Internet.

And Answer 3, "restricting the flow of information," also seems plausible.

At the time, the investigation was monitored by a Pentagon official who restricted the flow of information.