The world population is rapidly increasing. The rapidilly increasing world population is demanding more food. Addresing this demand requres growth in agricultural outputs including eatable animals (livestock, poultry, ...

Nowadays, developing cost effective, and non-hazardous materials for the removal of toxic heavy metals discharged from industrial wastewater is one of the major challenging problem of the world particularly, developing ...

Because of the role of emissions to global warming, complex petrol engine design, and also body controls, vehicle technology is undergoing a revolution in the design of its electrical mechanical system. Improved battery ...

Traffic accidents are on increase in Ethiopia and it has resulted into unattainable crisis on economic, social also political aspects. From many causes of these phenomena, overloading of the vehicle takes the lion allotment. ...

Reducing the number and worthiness of traffic accidents is a declared target and policy of most governments. It is clearly stated the traffic accident worthiness and their main cases in Ethiopia. Since dependence on ...