The face of the earth is cleared to make way for the farmer's plow.
And under the earth, coal is torn lose to give us heat, light and power.
The force that moves mountains and does all this work?
Dynamite, one of man's most useful tools.
To explode the dynamite, detonators--more commonly called blasting caps-- are needed.
They're safe and useful in trained hands
but dangerous when handled by boys or girls or inexperienced adults.