Tips for Keeping Your Car Battery Charged. 1  DO drive your car. This may seem obvious but itâs actually really important. 2  DO keep your battery clean so that damaging corrosion never gets the chance to build. If you donât feel confident cleaning it yourself, no worries! 3  DO invest in a car battery self jumper.
Best Answer: O positive ok for transfusing to all positive types. O negative is a unversal to all types. So you cannot donate blood for an O negative if you are O positive. If you just want to donate plasma then you can donate, just not whole blood.
1 O-negative blood type donors are universal donors as their blood can be given to people of all blood types. 2  Type O-negative blood is needed in emergencies before the patient's blood type is known and with newborns who need blood. 3  Forty-five percent of people in the U.S. have Type O (positive or negative) blood.