Most new petrol cars you see today are equipped with fuel injection systems or injector motors. These have almost wholly supplanted older carburetor motors. They are more reliable, effective, and ...

Injections deliver liquid medications, fluids, or nutrients directly into a person’s body. Different types of injections include intravenous, intramuscular, subcutaneous, intraosseous, and intradermal ...

Doctors can inject medications directly into a person’s joints to reduce pain and swelling, and increase range of motion. There are various types of injections, but only some are covered by medical ...