Contracting Of The Backhoe Rental Service At All Cost, For The Project Improvement Of The Educational Service Of The Institute Of Public Technological Higher Education Of Progreso, Of The District Of Progreso, Of The Province Grau - Apurím - Contracting Of The Backhoe Rental Service At All Cost, For The Project For Improvement Of The Educational Service Of The Institute Of Public Technological Higher Education Of Progreso, Of The District Of Progreso, Of The Province Grau - Apurímac