Ruth Martínez's Resumen : Sales and technical representative in industrial thermoplastic materials, applied in petrol, mining, chemical and food industries.Research in chemical materials for corrosion prevention and scaling, deposits and soil in water.Control of costs, inventories, forecast, planning and buying. Water treatment and petrol analysis.Tubing inspections.Training in ISO sistems, BMP, OSHA, HAZOOP, security industrial STOP. Command in computer skills. Internet.E-commerce. System management as AS400 and FDG.