Fire extinguisher charges, expelling, explosive

Explosive articles include a wide variety of devices or tools that employ explosives which on initiation produce a sudden, powerful expansion of gases used to some mechanical advantage drive turbines, move pistons, shear bolts and wires, operate pumps, and start engines. Often, these articles contain an explosive cartridge, an explosive charge encased in a cartridge case made of metal, fibre, paper, plastic, or other material. 

Power devices syn. power device cartridges or industrial ammunition are 

Other explosive articles are used directly for their explosive power used in ammunition, blasting, and as 

When immersed in water, the explosives in water-activated contrivances are initiated by electric current as water (acting as an electrolyte) immerses the electrodes of specially designed batteries by chemical reaction with water and by pressure sensors triggered at certain depths. These contrivances include ammunition, signal flares and other pyrotechnics, sounding devices (which are dropped by ships to determine depth), and actuating cartridges for gas cylinders that automatically inflate life rafts and jackets. 

Some cartridge cases are made of combustible materials (e.g., paper, plastic) that leave no residue or spent case to be removed from the device, tool, or weapon. In transportation terms, however, true combustible cases are those made of nitrocellulose which, being an explosive, adds force to the overall power of the explosive charge as well as leaving no residue. 

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Charges, expelling, explosive, for fire extinguishers, see Explosive Articles, p.69 Compressed gas, see Gases and Class 2, p.104... 

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