supply and installation of various laboratory equipments , cut model of si engine (petrol) , cut model of ci engine (diesel) , cut model of tractor , display models of all types of harrows (one set) , working model of seed drill , models of different types of threshing drums (one set) , working model of vertical conveyer reaper , working model of mower , display model of mb plough , display model of disk plough , hydraulic brake system working model , friction clutch (diaphragm type) working model , sliding mesh gear box – cut section working model , constant mesh gear box – cut section working model , differential assembly with final drive – cut section working model , steering system (rack & pinion type) working model , sealing & capping machine for cups