1369
It has been found that the presence of any significant proportion of powder particles smaller than 10-μm diameter , leads to severe agglomeration and make SLM processing difficult .
 material: powder particles; concept or principle: diameter; manufacturing process: SLM
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: powder particles, diameter, SLM 
Answer:
 material: powder particles; concept or principle: diameter; manufacturing process: SLM