Ricardo romero

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Guide book for the design of underwater emitters; guide for management; stabilization and disposal of chemical sludge; guide for management; treatment and disposal of residual sludge in superior views; guide for evaluating the efficiency of electromechanical equipment in operation; guide for the selection and installation of fiber cement pipe; installation of electromechanical equipment; technical guidelines for studies and projects of water and sewerage and management of hydrometry equipment for the preparation of projects and validation before cna