Partial Repairing of Bucket As-sembly of EKG Shovel Sl. No. 554, EKG Shovel Sl. No. 563 and Tata Hitachi Hydraulic Shovel Sl. No. 165 Partial Repairing of Bucket As-sembly of EKG Shovel Sl. No. 554, EKG Shovel Sl. No. 563 and Tata Hitachi Hydraulic Shovel Sl. No. 165