... grab 3)Used on ship TECHNICAL FEATURES Material Handling EquipmentElectric Hydraulic Clamshell Grab is simple in structure, easy to operation, and ... fine bulk materials such as chemicals,fertilizer,grain,coal,coke,iron ore,sand,particle consreuction materials and amashed rocks etc.It ... and other type of cranes.The grab has its own hydraulic system,the key elements of which are of recognized brand ...