chemical foam वाक्य

At the scene Thursday, firefighters sprayed chemical foam and water on the fire, which was still smoldering after damaging or destroying many buildings within a one-mile radius.
W . R . Grace & Co . said Wednesday that it had developed a chemical foam that can turn the asbestos fibers in fireproofing material into various minerals.
The fire, which began Thursday, was thought extinguished Saturday after 25 firefighters flown in from France coated the burning gasoline storage tanks with a thick layer of chemical foam.
It may be cleaned with a rotating root cutting blade on the end of a segmented rotating chain, or a chemical foam may be applied to discourage root growth.
W . R . Grace & AMP; Co . said Wednesday that it had developed a chemical foam that can turn the asbestos fibers in fireproofing material into various minerals.

Firefighting aircraft dropped special chemical foam to try to control the blaze that threatened to engulf the entire field of 30 storage tanks containing 700, 000 tons of crude oil.
Television footage showed plumes of black smoke rising from the plane's fuselage as firefighters fought the blaze, then the flames dying down and workers spraying the plane with chemical foam.
The use of foam additives to water for extinguishment dates back to an English patent in 1877 for a method to produce chemical foam ( Liebson, 1991, p . xi ).
Eventually a root ball will form that will impede the flow and this may cleaned out by a cutter mechanism and subsequently inhibited by use of a chemical foam-a " rooticide ".
In some places where anthrax spores have been found recently, such as in U . S . Capitol office buildings, workers have been spraying powerful chemical foams on the floors, walls and furniture.