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Air conditioner
The american Willis Carrier invents the air conditioner. This invention was very important because it helped the people in the south part of the US, in wich people had to live with extremely hot conditions. -
Airplaine
The Wright brothers created the first successful gas motored and manned airplane in history. Eventhough it wasn't powerfull enough to rise in the air by itself, with an extern catapult it was able to make a short fly. This was a great step for the transportation in the world. -
Automobile
The combustion engine was a inspiration for Henry Ford to create the first car in 1908. Thi invention was extremly important for the humanity because it ment a big change of transportation. -
Gas mask
Garrett A. Morgan created the first gas mask. This with the objective of imrpoving the wealthness of the people around toxic gases in the air. -
Stainless Steel
Harry Brearly invented the (before known as) "rustless steel". This invention helped all people by making their lives safer and easier, preventing them from getting stain in their lives.
