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This work is part of a programme to develop a method by which defects can be detected and the part reworked in-process during SLM to enable defect specification targets to be met .
 concept or principle: defects; material: be; manufacturing process: SLM; concept or principle: defect; material: be
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: defects, be, SLM, defect, be 
Answer:
 concept or principle: defects; material: be; manufacturing process: SLM; concept or principle: defect; material: be