Dynamite
Dynamite was invented in this year
When is 1867
This guy invented the locomotive
Who is Richard Trevithick
Dynamite was used for this
What is mining and construction
When the locomotive first debut, it held this many men
What is 70
These 2 things were used before dynamite was invented
What is liquid nitrogen and gun powder
When first debut, the locomotive had this many tons of iron
What is 10 tons
Dynamite was this amount of times more powerful than gunpowder.
How much is 10x?
The locomotive made travel this much faster.
How much is 3x?