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Acknowledgements the befs rapid appraisal was the result of a team effort to which the following authors, listed in alphabetical order, contributed1 giacomo branca tuscia university, viterbo, luca cacchiarelli tuscia university, viterbo, carlos a.Cardona national university of colombia at manizales, erika felix, arturo gianvenuti, ana kojakovic,.
We are a large-scale joint-stock enterprise integrating scientific research, production and sales.Our leading products have crushing equipment, sand making equipment, mobile crusher, etc., Each type of product is with complete specifications. All products have passed ISO9001, CE and GOST international quality system certification.