11.  The complex is the first of several large downtown projects that are expected to roil the waters of the real estate market here in the next few years.

12.  The green-and-white ferries chug through roiling waters, dodging freighters, cruise ships, junks, even sampans.

13.  The proposed listing of the seven species, however, already is roiling the waters in Georgia, Alabama and Florida.

14.  Wreckage was believed to have been buried last month when two hurricanes roiled the waters off Long Island.

15.  Yellowtail have also been caught at the warm-water outflow that gurgles from the Edison power plant and roils the waters next to the sportfishing dock.