Wind turbines, like aircraft propeller blades, turn in the moving air and power an electric generator that supplies an electric current. Simply stated, a wind turbine is the opposite of a fan. Instead of using electricity to make wind, like a fan, wind turbines use wind to make electricity.
The sternum or breastbone is a long flat bone shaped like a necktie located in the center of the chest.It connects to the ribs via cartilage, forming the front of the rib cage, and thus helps to protect the heart, lungs, heart and major blood vessels from injury.he sternum is a long, flat bone, forming the middle portion of the front of the chest. The top of the sternum supports the clavicles (collarbones) and its edges join with the cartilages of the first seven pairs of ribs.
The sternum is a natural âshieldâ that protects the important organs in the thoracic cavity â the heart and great blood vessels. It has three parts known as the manubrium (top), body of the sternum (middle) and xiphoid process (bottom).