Bonjour pouvez-vous m’aider pour cette exercice merci

1- Factories were built near rivers to use the power of falling water to run machines.

2- In 1769, the steam engine was perfected by James Watt.

3- The cotton gin was invented by Elu Whitney in 1793.

4- Cotton was cleaned 50 times faster by this machine than a person working by hand.

5- A new way of organizing production was also found by Whitney.

6- Soon was needed a lot of iron for machines.

7- In 1856, a process to remove the impurities to male steel was discovered by Henry Bessemer.