| A | B |
|---|
| flying shuttle | machine that sped up the weaving process |
| spinning jenny | established spinners to spin thread into cotton very quickly |
| cotton gin | clean cotton 50 times more quickly than a person could |
| puddling | used coke (from coal) to purify iron ore |
| patent | exclusive ownership of an invention |
| open-hearth process | used a special furnace to make many kinds of steel |
| steam engine | replaced water power with steam power; allowed factories to be built anywhere |
| mass production | manufacture of huge quantities of identical goods at cheap prices |
| interchangeable parts | use machine-made parts that are exactly alike developed by Eli Whitney |
| division of labor | assigning workers to specialized tasks |
| assembly line | products are assembled in a moving line; Henry Ford used to make automobiles |
