11.   Immigration and Naturalization Service officials have stepped up enforcement of immigration laws and have gone out with FBI agents scouring the country for suspects and potential witnesses.

12.   Kenan Sahin scoured the country for the best technological minds, while his wife, she says, scrubbed office walls and shopped for discount supplies.

13.   Kirk R. Wassong, the subway superintendent, said his crew had to scour the country for spare parts, largely from streetcar systems that were scrapped decades ago.

14.   Meanwhile, Mrs. Moskowitz began scouring the country for a kosher kitchen that could cook and ship her product.

15.   Nonetheless, recruiters are scouring the country looking for new catches.

16.   Now, she is one of three recruiters who scour the country for nurses.

17.   So they are scouring the country for participants.

18.   So, they are scouring the country for participants.

19.   That is because the most vital function of a political party chief is to scour the country for donations.

20.   The Environmental Protection Agency is scouring the country for fertilizer and animal feed made from imported raw materials contaminated with cadmium, a toxic metal.