31.   You should have spare filters on hand so you can change them as needed during the winter.

32.   Chua said more blood was needed especially during the festive season as statistics have shown that the number of accidents increased during these few days.

33.   Dr. Russell Warren, who performed the surgery, told the team at the time that a second surgery would be needed sometime during the rehabilitation, Nash said.

34.   Ernie Els made putts when he needed them during a struggling third round Saturday at the Heineken Classic.

35.   For another book, he wore a gas mask, protection needed during the Gulf War.

36.   Foreign workers whose labor was needed during the economic boom are now competing with Thais in finding work, Trairong said.

37.   He no longer uses the cane he needed during his long recovery from hip replacement surgery last year.

38.   If a doctor needs an extra suture during surgery, he yells to a relative outside the operating room to go buy it quickly.

39.   However the coach quickly explained it was part of experiments intended to have quick alternatives if they may be needed during the next matches.

40.   Musgrave said more caution is needed during practice.