2916
8 mPa s for SS316L , tends to generate spatter ( diameter up to 250 μm and an average spatter velocity of 0.26 m s−1 ) and form a melt track by molten pool wetting .
 concept or principle: mPa; process characterization: spatter; concept or principle: diameter; concept or principle: average; concept or principle: melt; concept or principle: molten pool
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: mPa, spatter, diameter, average, melt, molten pool 
Answer:
 concept or principle: mPa; process characterization: spatter; concept or principle: diameter; concept or principle: average; concept or principle: melt; concept or principle: molten pool