O. And M. Of 12.50 Mld .. Stp For ..3 Years Incl. Cost Of Mat., Recti. Of Defects, Replac. Of Damaged, Defect. Prts Of The Mach., Diffuser, Equip. And Repairs Of Civil Struct...Lubr. Oil, Fuel..Gardening..Premises Clean Tidy..3 Sec. Guards 3 Shft Etc