Model number. Sometimes abbreviated as Model or Model No. , a Model number is a unique number given to each product made by computer and computer hardware manufacturers. Model numbers allow manufacturers to keep track of each hardware device and identify or replace the proper part when needed.
The Tigris and Euphrates, with their tributaries, form a major river system in Western Asia. From sources in the Taurus mountains of eastern Turkey they flow by/through Syria through Iraq into the Persian Gulf.he TigrisâEuphrates Basin is shared by Turkey, Syria, Iraq, Iran and Kuwait.
Worldâs Most Polluted River. Citarum River, Indonesia, has been called the worldâs most polluted river. Around 5 million people live in the riverâs basin, and most of them rely on its flow for their water supply. Citarum River has an important role in the life of the people of West Java, as it is used to support agriculture, water supply, fishery, industry, sewerage, electricity etc.