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In this work , real-time in-process monitoring of core motion in metal castings is demonstrated through the use of two emerging technologies .
 machine or equipment: core; material: metal; concept or principle: technologies
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
 Entities: core, metal, technologies 
Answer:
 machine or equipment: core; material: metal; concept or principle: technologies