Reservoirs have always played an important role in improving the critical conditions of water shortage for humans. Since water is a vital element in human being’s life and it is not possible to survive without it, the concern of its ...

The plastic industry is one of the profitable and job-creating industries that accounts for a large share of consumer products; These products are produced using specialized methods and machinery, one of the most up-to-date methods of which is "rotomoulding". Rotational ...