Agriculture is an important sector of national economy in this country.The recent past years have a total revolution in the machinery, the methods and volume of land reclaiming excavation and other earth-moving jobs.This hook is intended as a professional textbook for traineers of vocational technical schools, and as a text/ reference for novice operators of excavating and other machines to help them in getting covcrsnnt with the con-struction, operation and maintenance of the machines involved, and also with the safety engineering and acci-dent prevention in operating and using machines and implements.The book is written in compliance with the curriculum for vocational training and with regard to the engineering, constructional and service features of the new equipment supplied to the amelioration units