Booms


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Booms

 

(military; in Russian, bony), floating obstructions used to protect the moorage area of a fleet or the site of important structures (such as bridges and dams) from penetration by enemy ships and floating mines. For the passage of friendly vessels, booms have an adjustable part called boom gates. At entrances to sea harbors and ports, booms in the form of rows of logs are situated along the line or perpendicular to the line of obstructions; they are connected by chains or ropes and held down by anchors. On rivers an iron cable stretched from one bank to the other on floats is used. In order to block access to submarines, torpedoes and underwater mines, combined booms of logs with suspended nets are used. Obstructive booms of logs floating on the surface of the sea serve to ensure fire safety around the water area near warehouses of petroleum products. Booms used in logging, usually in the form of clusters of logs, are established in the riverbed to direct the lumber being floated.

References in periodicals archive ?
Self-propelled boom sprayers are machines used in operations of application of agrochemicals that can perform low-, medium- and high-volume applications according to crop needs, whose main advantages are the high speed and the large volume of the tank (Gadanha Junior et al.
Lacbain said the booms could have also been intended for dredging activities.
Split boom, an economic boom designed for operating in light to medium jobsite conditions.
For policymaking, this means that reacting to asset price movements preemptively on the basis of the price movements alone is likely to cut off several fold the number of booms that would do no harm than the number of dangerous bubbles doomed to burst that would be desirably preempted.
As oil continues to spill onto the coast, absorbent booms will be even more effective in marshy areas or along coastlines than in the ocean where there is a lot of turbulence.
We are honoured to support the creation of pilots for TV, Film or the Web that will become excellent programming for the small and big screens" shared Joan Vogelesang, President and Chief Executive Officer at Toon Boom.
New fixed-width axles have been added to the S-80 and S-85 machines, giving the booms an 8.
There is no way of knowing yet when the Fed will achieve a level of interest rates adequate to cool the housing boom and encourage a recovery of household savings.
Global said that the company has commenced litigation against the subcontractor that designed, fabricated and warranted the booms to recover these repair expenses and other damages.
The trouble is that supersonic flight is inevitably accompanied by ear-splitting, window-shattering sonic booms.