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.
Your blood type determines who you can donate to, or receive blood from. People with type O negative (O-) are considered universal donors, as they can donate red blood cells to all other blood type recipients. Thatâs why itâs always in high demand â itâs used in emergency situations when there is no time to test a patientâs blood type.