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Occupational Chemical Hazzards 1 QA 2013-2014.ppt
by Escultor Juan de Villanueva
Teacher: M.Belén Noval Vega
CHEMICAL HAZARDS
Pablo Alonso Manso
Alejandra Carranza Llanos
Vanesa Cima Pérez
Alfredo Palacios García
Antonio de la Rosa Noriega