The crude bombs were made of firecrackers and attached with wires.

Their fuel can be used to make crude nuclear bombs and is typically guarded lightly, if at all.

Lamb's hobby even extended to crude bombs, which he taught himself to produce using parts of various weapons.

This task was more complex than the triggering of a crude nuclear bomb, and took him a little longer.

"A crude bomb has gone off in the main Haaar-kyut barracks."

Like you, they had no idea of the power of the crude bomb they made.

I had the cabin-window open, and my crude bombs near at hand.

The report says that with enough highly enriched uranium, terrorist groups could create a crude nuclear bomb.

Jacob reaches the crude bomb and realizes that it is now soaked.