1955
Material type , particle size distribution and particle shape , procesB-parameters , protective atmosphere , building and scanning strategies , post-processing , etc .
 material: Material; concept or principle: particle size distribution; concept or principle: particle; concept or principle: scanning strategies; concept or principle: post-processing
Please list all entity words in the text that fit the category.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} 
Answer:
 material: Material; concept or principle: particle size distribution; concept or principle: particle; concept or principle: scanning strategies; concept or principle: post-processing