1 The began in
England in the 18th century. Lots of factories
opened with new machines.
2 ...
in the 1850s were very
difficult. They were unhealthy and wages
were low.
3 James Watt invented the
in the 1760s. Then engineers used it to
in factories.
4 The ...
-... grew quickly
in the 19th century because steamboats and
trains needed coal to make steam.
5 The things factories produced gave people
a better
6 Before the 18h century, people didn't work
with machines. They worked
7 In 1850, many people lived in cities in poor,
IR PAN
