gunpowder,half life

gunpowder the gunpowder is made of niter, sulfur and charcoal

chinese gunpowder green tea

gunpowder chunmee tea

the invention of gunpowder is come from the system dan making

later, gunpowder was applied to the military.
- half life
- gregorian
- civilisation
- escaping
- fawkes
- water spout
- caligraphy
- carsickness
- tang dynasty
- glass frogs
- hybrid rice
- ball bearing
- bits and pieces
- cannon ball
- attempting
- nationalism
- crystallization
- siberian
- downstream
- knighthood
- house of parliament
- hippies
- catapult
- accomplished
- carved
- accurate
- suppression
- swords
- pioneers
- gelatine