Operation theater classified door in Vani Road.Operating rooms are spacious and well-lit, typically with overhead and may have viewing screens.Operating rooms are generally windowless, though windows are becoming more prevalent in newly built theaters to provide clinical teams with natural light, and feature controlled temperature and humidity. Special air handlers filter the air and maintain a slightly elevated pressure. Electricity support has backup systems in case of a black-out. Rooms are supplied with wall suction, oxygen, and possibly other anesthetic gases. Key equipment consists.In addition, there are tables to set up instruments. There is storage space for common surgical supplies. There are containers for disposables. Outside the operating room, or sometimes integrated within, is a dedicated scrubbing area that is used by ODPs (operating department practitioners), and nurses prior to surgery. An operating room will have a map to enable the terminal cleaner to realign the operating table and equipment to the desired layout during cleaning. Operating rooms are typically supported by an anaesthetic room, prep room, scrub and a dirty utility room.