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.
The blood bank adopts an antibody screeningâcom-puter crossmatch procedure. It performs roughly 100 antibody screens and issues an average of 55 (range 30-186) blood units daily. The average blood bank stock is 300-400 units, and the Red Cross replenish-es the stock daily except on Sundays. The Red Cross has an average stock of 4,000 units.