The use of nuclear bombs is one of the greatest threats to mankind.

The use of this machine is simple.

That virus is posing a great threat to people all over the world.

He said he would expose me to threat.

He ate one apple.

What is the maximum capacity of this machine?

The future of mankind is in our hands.

The police found the bomb and defused it.

This computer can be used by anyone.

In physics, the study of the 'nucleus' at the center of an atom is important.