Mechanisme Sibutramine

The letter and postal mail to inform

The art of writing a letter has a history of more than 4000 years. Means that the Sumerians, who lived between the Persian Gulf and Babylon around 3.100 years before Christ, that is, not long before the Egyptians, who were wrote the first letters. Orders were written in the finest chancellor in the bush of papyrus bark, then rolled, sealed and stamped. After the Egyptians, following in using this form of communication were the inhabitants of Hindustan. In the year 2000 BC the Cretaro who inhabited the Greek islands, circa 1.500 BC the hyphae of Asia Minor, and in the year 1.300 BC the so-called "Middle Kingdom" (China) in the Far East. Finally prevailed throughout the material lighter and easier to use: the role invented in China, and became known relatively late in the West.
Of the different types of communication services of antiquity, the most notable was the relay system of the Persian Empire. Riders on horseback carrying written messages from a relay station to another. Based on this system, the Romans developed their own system of posts (from the Latin positus, 'post'), whence the term "postal service." In the Far East were also used similar systems.
Although in medieval Europe, postal services were mostly private, the rise of nationalism after the Renaissance led to the emergence of governmental postal systems. In the late eighteenth century was gone most of the services private.
transportation of written message originated the word "mail" that comes from running, and that currently define public service which carries the official correspondence, private, and established in all countries, makes getting to your destination, by land, air or water such correspondence in the form of letters, postcards, prints and packages.