Wind turbines convert wind energy to electricity for distribution. Conventional horizontal axis turbines can be divided into three components: 1  The rotor component, which is approximately 20% of the wind turbine cost, includes the blades for converting wind energy to low speed rotational energy.
Blood Banking & Donation. Blood banking refers to the process of collecting, separating, and storing blood. The first U.S. blood blank was established in 1936. Today, blood banks collect blood and separate it into its various components so they can be used most effectively according to the needs of the patient.
(Collection in excess of transfusion is unavoidable.) Unused autologous blood is stored for a period of time after the operation, typically, until the patient's discharge or the bloodâs expiration date (blood can be stored for up to 42 days), and then the blood is discarded.