Civil
The Civil Engineer has to design many things which are essential to humans. For example they design schools, hospitals, airports, bridges, sewerage systems and tunnels. They are also responsible for building the greatest historical monuments such as the Great Wall of China, the Egyptians Pyramids and the Eiffel Tower in Paris.
Chemical
Chemical Engineers work in many companies that use chemical to manufacture things we use everyday. For example they have to develop an unscratchable plastic for our gaming consoles, or discover a better paints, fuels, fibers and they have to develop ways to preserve the food longer or inventing new cooking technologies.
Electrical
Electrical Engineers direct, establish and design the manufacture, installation, operation and maintenance of equipment. They have to develop plan and design power plants, electrical distribution grids for towns and cities, they also work on photovoltaic panels which power satellites.
Mechanical
The Mechanical Engineer are inventive people who investigate, advance and build machines that help others. They have to work on automobile industry, manufacturing equipment, rocket engines and rides in amusement parks. Thanks to Mechanical Engineers we have a faster transportation which helped reduce distances in the world.