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.
Under no circumstances should blood be put in any refrigerator outside the Blood Bank. Blood drawn for a Type and Screen will be held for 72 hours. Any time during this 72-hour period, blood drawn for the type and screen may be used to crossmatch blood for patient use. Crossmatched blood will be held for 48 hours in the Blood Bank.