Method of Implementation of Air Chambers Using Recycled Rubber Based on Positioning for the Optimization of Fragmentation in Open-Pit Blasting. - Cristhian Chapoñan-Chinchay; Jhonatan Diaz-Cueto; Vidal Aramburu-Rojas; Yaneth Vasquez-Olivera; Carlos Raymundo (AHFE (16), 2021)