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The approach is applied to powder-bed selective laser melting ( SLM ) and validated , where the mechanical behaviour of macro-scale industrial components has been predicted and compared with experimental results .
 manufacturing process: selective laser melting; manufacturing process: SLM; concept or principle: mechanical behaviour; application: industrial; machine or equipment: components; concept or principle: predicted; concept or principle: experimental
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: selective laser melting, SLM, mechanical behaviour, industrial, components, predicted, experimental 
Answer:
 manufacturing process: selective laser melting; manufacturing process: SLM; concept or principle: mechanical behaviour; application: industrial; machine or equipment: components; concept or principle: predicted; concept or principle: experimental