Commercial and industrial buildings usually have some sort of internal, or private, fire-protection system installed. Some industrial establishments even airports also maintain fire departments that are specially trained and equipped to fight aircraft fires.
Concrete is one of the most significant ingredients in construction to improve the strength of the building and to support the structure. It is composed of cement, slag cement, fly ash, aggregate (limestone, gravel, sand, granite, etc.) water and certain chemical additives.
For all intents and purposes hydraulics (Greek: Hydro meaning water; Aulos meaning pipe), as it relates to the fire service is the study of the behaviour of water in motion or at rest.
Water is the main fire-extinguishing medium used by the fire service because it is relatively cheap and readily available.
High expansion foams can have expansion factors as high as 1100. Our concern is on the low and high expansion types.
Low expansion foams are used to extinguish burning flammable or combustible liquid spill and tank fires by
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