When you or someone you are caring for is seriously ill, it is recommend that you keep EOBs for five years after the illness or condition is alleviated. If you or the patient is claiming or has claimed a medical deduction, keep the explanation of benefits for seven years.
The earliest writing can be traced to Sumer, in Mesopotamia. This system did not use an alphabet, instead it used pictographs which are symbols representing familiar objects. This type of writing was called cuneiform, or wedge-shaped writing. Egyptians used hieroglyphics, also a pictograph system.
CUNEIFORM. The ancient Sumerians created the world's first writing system known as cuneiform. The term cuneiform means wedge-shaped.. Sumerian writing is wedge-shaped because of the the type of instrument that was used to create it.STYLUS. The ancient Sumerians used a stylus to write.A stylus is a wedge-shaped instrument made out of reed.he term cuneiform means wedge-shaped.. Sumerian writing is wedge-shaped because of the the type of instrument that was used to create it. STYLUS. The ancient Sumerians used a stylus to write. A stylus is a wedge-shaped instrument made out of reed.