-
50
porcelain
used for dining ware -
150
printing
used to print objects -
150
boats
used to travel across water -
200
steel
used in weapons and other objects -
250
compass
used to tell direction -
850
gunpowder
thought to make people live longer by alchemists -
850
money
made of wood and thick -
850
game cards
used playing cards. -
1200
mechanical clock
used for telling time quite big -
1300
rockets
used originally for celebrations then used as weapons
