There are also a number of central facilities such as the Central Library, Central Workshop, and Printing Press. Many new research facilities have been acquired or developed in the last few years. One of the most important of them is the Computer Centre which started functioning in 1986 with facilities which have been continuously updated. The Computer Aided Design Centre with its own minicomputers and workstations, supplemented by additional computing facilities, caters to CAD activity in Chemical Engineering and Metallurgical Engineering. Research groups like VLSI Design, CAD/CAM also have computing facilities which are accessible to other departments for development activities. Recently, work on developing medical implants has been initiated. The OrthoCAD Network Research Cell was established in 2007 to jump-start indigenous research and development activities in orthopedic reconstruction systems. Important experimental facilities set up by various departments include laboratories for robotics, biotechnology, microelectronics, microprocessor applications, telematics, remote sensing, low-temperature physics, and aerodynamics.