Navigational aid signs
Aids to navigation marks are any marks outside the vessel. These signs help navigators to determine the position and determine the safe route. Among the types of marine navigation aid signs, we can refer to lighthouses, sea buoys, warning sound signals, etc. Buoys are one of the most important signs of navigation aid, which are […]
How to tell the difference between a single-layer tank and a three-layer tank?
؟How to tell the difference between a single-layer tank and a three-layer tank In order to distinguish between a single-layer tank and a three-layer tank. This difference can be seen from the upper part of the cut of the tank door Another way to detect the presence of a black layer on the wall of […]