Commercially available whole-cell vaccines confer protection in a limited and incomplete manner, limiting their use among humans.
Some Americans are worried about the way drones can be used to carry out surveillance at home; 17 US states have passed laws limiting their use.
The limited battery life of modern mobile devices is one of the key problems limiting their use.
All rely on a rechargeable battery limiting their use.
Florida lawmakers have proposed limiting their use in the state.
Some places, like Hilltown, in Bucks County, Pa., where Morgan was killed, have passed local ordinances limiting their use.
The judges noted that the four journalists had acted ethically by limiting their use of the hidden camera.
But in general, drivers will bear much of the responsibility for limiting their use of these devices.
Even some hospitals that take care of many uninsured patients who could benefit from the free pills are limiting their use of the samples.
(Old vaccines against measles, mumps and polio are cheap, but newer antibacterial ones like Hib and Prevnar are usually much more expensive, limiting their use in poor countries).
The city, using the mayor's emergency powers, would also impose restrictions on bridges, tunnels and some highway lanes, limiting their use to cars with several people in them.
