Epstein-Barr virus (EBV), also known as human herpesvirus 4, is a member of the herpes virus family. It is one of the most common human viruses. EBV is found all over the world.Most people get infected with EBV at some point in their lives.pstein-Barr virus (EBV), also known as human herpesvirus 4, is a member of the herpes virus family. It is one of the most common human viruses. EBV is found all over the world.
10 hilariously insightful foreign words. A leaf spring is a simple type of suspension spring commonly used in vehicles. This type of spring is typically constructed of one or more flat, thin, flexible steel strips that are joined together in order to work as a single unit.
1 Fiberglass Leaf Spring â The fiberglass leaf spring is made of a mixture of plastic fibers and resin; it is lighter than all other springs. 2  However, the cost is three times greater. 3  The disadvantage is that they produce inconsistent spring rates. 4  In addition, fiberglass springs are sensitive to heat.