A door is a moving mechanism utilized to block away and permit access to, an entry to or inside an enclosed area, including a building, space or automobile. Doors normally include just one or two solid panels, either with or without windows that swing utilizing hinges. These hinges are connected to the door’s edge but in addition, there are doors which slide, spin or fold. The most important point of a door would be to control physical access.
Doors are important in preventing the spread of flame and as a barrier to sound. Many doors have been armed with locking mechanics to permit entry to specific people and keep others out.