London was also full of black powder, especially along the river front.
Black powder will leave a smoke to give a way your position.
It is in the form of a black powder, like fine sand.
He stood for a few moments, looking down at the soft black powder.
Why had he decided on war, black powder against machine guns?
The longer the drying period, the less effective the black powder.
In both cases there is a chance of forming black powder at different rates.
Someone had managed to fire its load of black powder.
"You have used the black powder to close the pass," she said quietly.
Charges of black powder would bring down the gates there.