1.   Forensics specialists from the FBI and ATF often kept to themselves, and signs were posted warning safety experts to stay out.

2.   In the case of toluene, sellers are required to post signs warning purchasers that products could cause birth defects or other reproductive problems.

3.   They have also posted signs warning that it is a felony to do unlicensed work in Florida, and have even made a few arrests.

4.   To reduce their liability, most if not all hotels and motels have removed the diving boards from their pools and posted signs warning swimmers not to dive.

5.   To keep away visitors, signs were posted warning of hoof-and-mouth disease.

6.   BP Amoco plans to post signs warning customers not to use cellular telephones near gasoline pumps at its U.S. stations by year end, a company spokeswoman said today.

7.   Conservation department officers have posted signs warning bystanders to keep clear of the heavyweight visitor, and are examining ways of encouraging him to find a new home.