This antitoxin is used to counteract that toxin.

The use of this machine is simple.

He is known as a formidable opponent.

He staged a protest to oppose the policy.

This frog's skin contains a powerful toxin.

This computer can be used by anyone.

This bacterium produces a powerful endotoxin.

Exotoxin is a harmful substance produced by bacteria.

This drug does not contain endotoxins.

This bottle is reusable.