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.
Rating Newest Oldest. Best Answer: In the blood bank they normally seperate the blood according to Group & Cloatting time as it varies from person to person. Generally those blood kept stored under minus 4 deg cel can stay for a period of 90 days for transfusion provided the temperature is maintained all the time. Before transfusion the stored blood with its pack will be left in closed conainer having salt water to return to normal liqiud stage.
Home > Get Answers > Bank Accounts > Bank Record Keeping. National banks must retain records of any deposit over $100 for at least 5 years. At the bank's discretion, these records may be retained for longer periods.