One makes black powder used in the manufacture of rubber.
He finds elements needed to make black powder.
In a good week, he says, he can make enough powder to fill half a bag.
Emery is a very hard rock type used to make abrasive powder.
The crystals are saltpeter, one of the chemicals needed to make black powder.
Later, there would be bullets to make, extra powder and lead to be distributed to the men.
The Chinese were making black powder as early as 1045, which is about 1000 years ago.
Won't Captain Harding be able to make powder to blow up the mine?
Isn't it true, captain, that you will make powder the very day we want it?