A valve arrangement where the liquid flows through a hole in a central plug.

Protective film of thickness usually about 0.2-0.5mm, applied on steel surfaces to protect them from corrosion.

The specification of coating systems which includes the type of coating system, steel preparation, surface preparation, surface cleanliness, environmental conditions, application procedure, acceptance criteria and inspection.

An assessment of the extent of damage registered in terms of coating breakdown area and/or rust scales in % of area under consideration, normally the complete tank, with additional information on coating damage to edges and weld connection.

GOOD – The condition with only minor spot rusting as defined in resolution A.744(18).

The paint applied to a surface in a single application to form a properly distributed film when dry. Each paint layer of a paint system.

Built in 2014 at STX Rauma Shipyard the coastguard vessel TURVA is 95.9m long and 17.4m wide, making her the largest vessel ever commissioned by the Finnish Border Guard.

A ship that can monitor, patrol and protect coastal waters and also can carry out pollution control, salvage and firefighting tasks.

Usually a small multi-purpose cargo ship used for short sea transport. Low-airdraught is often required in order to pass overhead obstacles on inland waters, such as bridges.

Navigation area along the coast where freedom of course-setting to one side of the course line may be restricted, the other side of the course line...

According to The Motor Ship June 1997 The double-hulled coastal tanker ASPERITY was built by Singmarine Dockyard and Engineering, Singapore.

The peripheral drain for any water which may ingress through the seal.

A protrusion formed around an opening. Its purpose is to prevent water from running into an opening or to compensate for the strength loss due to cutting the opening in the plating.

A device containing a material with the surface promoting coalescence.

The process of combining of small oil droplets into drops which will separate under gravity.

A brittle, lustrous bituminous coal, also known as bituminous lignite.

A combination of epoxy resins and tar, which if applied to paints gives a water resistant film. A curing agent must be added if curing is to take place.

A non-standard term for gas metal arc welding with carbon dioxide shielding gas.

A fully-separated space designed and equipped for the storage of CO2 cylinders. CO2room shall be located aft off the collision bulkhead.

see Carbon dioxide (CO2) flooding system.