2406
New methodologies which allow for rework of the most common defects observed in selective laser melting ( SLM ) manufacturing are proposed and demonstrated .
 concept or principle: defects; manufacturing process: selective laser melting; manufacturing process: SLM; manufacturing process: manufacturing
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, selective laser melting, SLM, manufacturing 
Answer:
 concept or principle: defects; manufacturing process: selective laser melting; manufacturing process: SLM; manufacturing process: manufacturing