black powder sentence - black powder sentence in Hindi (21-30)

	21.	Soldiers needed patches to put between black powder and the lead rifle ball.
	22.	Black powder may have been an important invention of Chinese alchemists.
	23.	Black powder was used in the pipe bomb at the Olympics.
	24.	Nitrocellulose was significantly more powerful than black powder, and was smokeless.
	25.	They had not assembled a cache of rifles, black powder and hand grenades.
	26.	A powder flask or powder horn could be used to hold black powder.
	27.	Potassium nitrate is used to make black powder, explosives, rocket propellants and pyrotechnics.
	28.	He is an acknowledged expert jouster, swordsman and black powder shooter.
	29.	He placed a layer of black powder on top of an overturned anvil.
	30.	The very last inventions of the 15th century were black powder and cannon.

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