6041
In turn , the average strength of the neck contact was used to estimate the size of the neck of fused material between two sintered particles .
 concept or principle: average; application: contact; concept or principle: fused; manufacturing process: sintered; concept or principle: particles
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: average, contact, fused, sintered, particles 
Answer:
 concept or principle: average; application: contact; concept or principle: fused; manufacturing process: sintered; concept or principle: particles