Steam Engine In 1712, Thomas Newcomen invented the first of many steam engines. Although it wasn't as useful as later engines. It started the Steam engine creation. It would later be improved on by James Watt.
Sewing Machine In 1846, Elias Howe created the sewing machine to help people make their clothes quicker because during the time people made clothes at home.
Elevator Safety Brake In 1853, Elisha Otis came up with the Elevator break because people were wary of elevator cars falling, thus inventing the elevator safety brake.
Lamp The lamp is important because it allows to us to make certain areas brighter if we need to. For example, if a desk is dark you can move the lamp towards that area.
Bessemer method The Bessemer method is important because it lets us obtain steel faster to build structures, which makes the structure stable compared to resources like wood.