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ng structure (including the initial design of the sprue and subrunners, the design of directing devices and locating devices, deciding the type and location of the gate and designing the cooling system, etc)Metalworking Educationamp。bull。Practiced basic skills of sand molding and usage of molding toolsamp。bull。Understood the basic structure of sand molds, ponents of gating system, gating technology and features of mon molding defectsACTIVITIESAssistant of President in Jobs Technology Col