The use of explosives to aid in ditch excavation, such as for laying pipelines.



Related Terms

ATA

Automatic Tracking Aid electronic plotting device for radars

EPA

Electronic Plotting Aid electronic plotting device for radars

RUST PREVENTION TEST

A test for determining the ability of an oil to aid in preventing the rusting of ferrous parts in the presence of water.

POLYELECTROLYTE

A water-soluble polymer that is highly charged with cationic or anionic sites. Used as an aid with coagulants.

AID

Agency for International Development.

ARC OF VISIBILITY

The portion of the horizon over which a lighted aid to navigation is visible from seaward.

DAYBOARD

The daytime identifier of an aid to navigation presenting one of several standard shapes (square, triangle, rectangle) and colors (red, green, white, orange, yellow, or black).

SPOTTING TOP

A platform on a mast used to aid in gun laying.

AERONAUTICAL BEACON

A visual aid to navigation, displaying flashes of white or colored light or both, used to indicate the location of air- ports, landmarks, and certain points of the Federal airways in mountainous terrain and to mark hazards.

ARPA

Related questions

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