Tumbled Gravel From 1/2 In To 3/4 In - Contracting Of Graded Gravel From ½ In To ¾ In, For Execution Of The Project Improvement Of The Sports Service Of The Tambulla Stadium Of The Tambulla Community Of The District Of Challhuahuacho ¿ Province Of Cotabambas ¿ Department Of Apurimac ¿ With Cui 2483058