To put it another way, the fire extinguishing system for the strategic position of the valve through the establishment of a network that is passed through the pipe water supply is sufficient pressure and flow. In some situations, the net is also automatic fire extinguishing system, water sprinkler system or fire hose reels, etc. can be shared with the safety measures.
Investigation or land surveying technology, professional, scientific and accurate point angle and the distance between them determines the position of the terrestrial or three-dimensional and generally authorized to practice by surveying the various members of the building profession. This point is common in the earth's surface, they are often the ownership, location (corner of underground features, surface location of the building) or other governmentally required or civil purposes (Real Estate sale) of land on the map and is used to set the boundaries.- Person's name