The Convention only prohibits work that is harmful to their health or interfere with education.

He turned down an offer of $20,000 to play three seasons as social conventions prohibited a person of his standing from playing sports for money.

The convention prohibits testing, production and development of biological agents for warfare purposes.

The convention permits the use of two background colours for danger and prohibit signs, white or yellow.

The Convention prohibits the use, production, stockpiling and transfer of cluster munitions.

The convention prohibits sending such refugees back into the dangerous situations they have fled - just what is now happening on the Croatian border.

The Conventions prohibit combatants from attacking non-combatants, and they require occupying forces to maintain general order.

These three conventions prohibit the production, traffic, sale and consumption of a wide range of substances for other than medical or scientific purposes.

The Convention prohibits the development or possession of biological agents for military uses other than research into vaccines, detectors and protective hardware.

For example, the convention prohibits restrictions on trade in chemicals among its parties, and it requires parties to transfer chemical technologies to other members.