fire causing irreparable damage to property and harm to human health or lead to death.This combustion process, which can occur spontaneously or be the result of intentional or accidental arson.The fire is difficult to stop, particularly outdoors and in windy weather, because oxygen enhances the fire and wind helps its dissemination.

Fire can be domestic and industrial.Household fire occurs in homes and public buildings.As a rule, it can begin due to faults in the electricity, gas leaks, improper handling of electrical appliances (such as leaving them unattended plugged into an outlet), disruptions heaters, rash sparks or hot ash from the fireplace flammable coatingand the careless handling of matches
and cigarettes outstanding.

incidence of domestic fires contribute to open windows and doors through which penetrate the strong flow of air and oxygen.In addition, through the ventilation pipes and adjacent balconies fire easily it goes to the adjacent rooms, if not taken timely measures to extinguish it.

Production fire occurs in the industry.Its causes are: bugs in the design and construction of industrial buildings, failure to comply with fire safety employees, violation of technology in the process (eg during welding), improper use of electrical equipment, careless handling of fire.

spread of production contribute to fire: a large concentration of flammable substances in the air, the presence of large amounts of flammable materials or liquids in the rooms or in warehouses, as well as improper storage, open doors and windows, the problem of stationary means of fire (fire extinguishers).

fire occurs in the presence of three factors:
• combustible or flammable material;
• fire, chemical reaction or electricity;
• presence of oxygen or another oxidizing agent, accelerating the process of combustion.
Inflammation occurs when a material or substance is heated prior to the thermal decomposition, which yields carbon monoxide and a great amount of heat energy.