7089
It is found that , even though the particle morphology is not optimum , smooth and dense powder layers can be deposited for the investigated powders .
 concept or principle: particle; concept or principle: morphology; material: powder; material: be; material: powders
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: particle, morphology, powder, be, powders 
Answer:
 concept or principle: particle; concept or principle: morphology; material: powder; material: be; material: powders