Normas de gestión de seguridad para operaciones de elevación en un laminador de acero
I. Classification and Management of Lifting Operations Grade I lifting operation: Lifting loads over 20t; loads under 20t but with complex shapes, large length-to-diameter ratio, low rigidity, or precision and valuable instruments; lifting operations under special conditions. Grade II lifting operation: Lifting operations that fall between Grade I and Grade III. Calificación […]


