The marine propeller is an effective swimming equipment used to impr...
It is an indispensable tool of maritime, trade and travel. However, ...
The seas are one of the most important resources of our world. Howev...
Marine pollution is an important environmental problem threatening n...
When marine life is examined with a fish's eye, different color ...
Antiquity is one of the oldest in human history and has many art, ar...
Most of the energy currently produced comes from fossil fuels and ca...