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 GLOSSARY
Active Service Craft Craft, which have been assigned to an installation, activity, or unit for operational use.
After-Corrosion A continual process of corroding.
Anode A piece of metal fixed to steel to provide cathodic protection. Anodes must be fixed so that they
are in electrical contact with the steel they have to protect, and must not be greased or painted.
Antifouling For underwater use on hulls; contains agents which prevent the adhesion and growth of
organisms on the hull. Antifouling are formulated so that the control agents migrate into water closest to
the hull, making it repel organisms.
Atomization Term used in spraying. Proper atomization is obtained when the spray pattern is kept wet
and the film is continuous as the area is covered.
Abrasive Blasting Cleaning A common means of producing a surface suitable for painting. It removes
rust, mill scale, old paints and other contaminants more thoroughly than is possible by manual or power
tool methods.
hazardous substances or to other unsafe conditions and is capable of specifying the necessary protection
and precautions to be taken to ensure the safety of employees as required by the particular regulation
under the condition to which it applies. For the purposes of Subparts B, C, D of this part, except for
1915.35(b) (8) and 1915.36(a) (5), to which the above definition applies, the competent person must also
meet the additional requirements of 1915.7.
Confined Space A compartment of small size and limited access such as a double bottom tank,
cofferdam, or other space which by its small size and confined nature can readily create or aggravate a
hazardous exposure.
Conventional Paints Linseed oil, alkyd, phenolic, coal tar, and other common resin paint for purposes of
this bulletin; vinyl, epoxy, and urethane are not considered conventional paints.
Dew Point The temperature at which the water vapor in the air will condense into a liquid.
Dry-Stored Craft Craft, which are not stored in contact with water.
Faying Surfaces Joined or fitted closely to a surface.
Finish Paint The topcoat of a paint system
Flash Point The temperature at which the vapor of a material will be ignited by a spark or open flame.
Gas Freeing Operations performed in testing, evaluating, removing, or controlling hazardous materials or
conditions, within or related to a confined or enclosed spaces, which may present hazards to personnel
entering or working in, on or adjacent to the space.
Hand Tool Clean Clean surfaces to Steel Structure Painting Council (SSPC), Swedish St 2 standard,
free of loose paint, scale, rust and debris, utilizing power tools.
Hull The main body of a watercraft below the main outside deck.
Lower Explosive Limit (LEL) The minimum concentration of vapor in air below which propagation of a
flame does not occur in the presence of an ignition source.
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