1.   According to law-enforcement sources, it was part of Operation Corea, an undercover operation designed to track the flow of heroin.

2.   The abolition of exchange controls has made it harder to track flows of cash in and out of the country.

3.   Analysts who track mutual fund flows report that fund companies experienced another upturn in cash flows in the first two weeks of November.

4.   And residents had to buy separate meters to track the flow of electricity from their homes to the utility.

5.   Blood flow was tracked while each tried to perform an auditory task.

6.   Cash is pouring into U.S. equity mutual funds at a pace to set a record this month, according to Mutual Fund Trim Tabs, which tracks fund flows.

7.   Despite the consolidation woes, money continues to flow into mutual funds at close to record levels, according to Mutual Fund Trim Tabs, which tracks such flows.

8.   During the war Allied intelligence exhaustively tracked the flow of Nazi loot, but little was done about it.

9.   His workers, wearing protective gear, move in after police and rip out floorboards and wall panels in tracking the flow of wastes.