11.   At the Blue Hills ski area, justoutside of Boston in Canton, limited snow-making operations began Sunday night.

12.   Before pumping operations began last year, the beaches were virtually nonexistent.

13.   A feasibility study will take between six months and a year, after which operations will begin, the official said.

14.   About two hours after the operation began, the prostate is out.

15.   After more tests on the saw, the cutting operation could begin this week.

16.   After the military operation began, the leadership of both parties issued a joint statement in support of the president.

17.   Air strikes have been suspended on Friday, the Muslim day of prayer, since air operations began without advance notice.

18.   Airline officials said operations were beginning to return to normal and the passenger backlog dwindling.

19.   But in his first appearance before American troops since the Haiti operation began, he was received with applause that was little more than polite.

20.   But the Israeli army has essentially sealed off the Palestinian territories since the operation began.