Contracting Of Heavy Machinery Rental Service For The Execution Of The Project: Improvement Of The Water Service Of The Irrigation System In The Community Of Huaquere Of The District Of Coyllurqui - Province Of Cotabambas - Department Of Apurima - Contracting Of Heavy Machinery Rental Service For The Execution Of The Project Project: Improvement Of The Water Service Of The Irrigation System In The Community Of Huaquere Of The District Of Coyllurqui - Province Of Cotabambas - Department Of Apurimac.