11.   As an extra precaution, do what Harris does.

12.   As an extra precaution, put the top on only as you use it.

13.   Ask your doctor or pharmacist about drugs you are taking and take extra precautions.

14.   Because of the need for secrecy, Overton declined to elaborate on the extra precautions or say how long they would be in place.

15.   A few reported taking extra precautions, watching out for copycats and increasing patrols, but most already had safety procedures established in the wake of past incidents.

16.   Airlines were also taking extra precautions.

17.   Almost all took the extra precaution of going to the swaps market where they traded in the interest payment for another instrument not linked to CPI.

18.   But extra precaution is always helpful.

19.   But with some post offices closed because of anthrax contamination and others taking extra precautions, colleges are not certain they have received all the applications mailed to them.

20.   Certainly, mail-order distributors to the market have to take extra precautions.