A danger with many is that if they do not work the cleanup can be complicated by dealing with poisonous materials.

Early versions of the turtle ship would burn poisonous materials in the dragon's head to release a poisonous smoke.

Big Uglies in free fall had been known to suffer reverse peristalsis, as if they were expelling poisonous material they had swallowed.

In a report requested by Congress, the Academy said "virtually every facility" in the bomb complex is contaminated with radioactive and poisonous materials.

Russian President Boris Yeltsin has appointed a committee to look into lifting nuclear waste and other poisonous materials from the seabed.

Because the poisonous materials are made in China, the flow of chemicals will stop only if Washington forces Beijing to stop exporting them.

Some carriers will primarily transport food and perishable items, whereas others may specialize in moving poisonous and hazardous materials.

But if this is not the case, store such poisonous materials indoors, where they can be locked up.

It is important not only to reduce CFCs and stop their use, but that gradually all other poisonous materials with similar effects are detected.

But Corey intuits that the flag's double meaning of pirates and poisonous material is no joke.