Canal Lock . . .
Segmental Arch Bridge . . .
Moveable Type . . .
Porcelain . . .
Mass-produce . . .
Gunpowder . . .
Alchemy . . .
Catapult . . .
Inoculate . . .
Immune System . . .
Vaccine . . .
The vocabulary quiz will take place on Monday, February 10, 2014. Please study . . . Good luck!:)
Segmental Arch Bridge . . .
Moveable Type . . .
Porcelain . . .
Mass-produce . . .
Gunpowder . . .
Alchemy . . .
Catapult . . .
Inoculate . . .
Immune System . . .
Vaccine . . .
The vocabulary quiz will take place on Monday, February 10, 2014. Please study . . . Good luck!:)