Converse of object

• drop: Desperate measures were used to conclude the long lasting and cruel war and the decision was made to drop the atom bomb at Hiroshima.

• produce: Some observers 3 maintain that India could have produced an atom bomb before China, had it wished so to do.

Modifies a noun

• test: It intends to use the method on 300,000 gallons of liquid waste from atom bomb tests in the 1940s.