11.   Pipes at wastewater plants build up mineral deposits that impede the flow of water.

12.   Still, Thurow would not intervene in the global economy by restricting trade or impeding the flows of people and investment across borders.

13.   That impedes the flow of water and can lead to everything from roof leaks to ice dams to damp basements to sagging gutters.

14.   The court upheld other provisions of the injunction, including measures that barred demonstrators from trespassing, making loud noise and impeding the flow of patients and staff.

15.   The executives said they feared that the law would impede the flow of information to the public.

16.   The movement alters the dimensions of each floor and enlarges or impedes the flow of space between them.

17.   The same thing can occur in your hands if blood flow through your arms is impeded.

18.   They say most of the towing is for serious violations that impede the flow of traffic and to keep routes open for emergency vehicles.

19.   Throughout the computer are other components that also impede the flow of cooling air.

20.   Barker underwent surgery on Monday to clear an artery in his neck that was impeding the flow of blood to his brain.