708
The stress concentration at the end of the arc point and the stress produced by the reverse depositing model are more uniform than those produced by the same depositing model .
 process characterization: stress concentration; concept or principle: arc; machanical property: stress; concept or principle: model; concept or principle: model
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:
 process characterization: stress concentration; concept or principle: arc; machanical property: stress; concept or principle: model; concept or principle: model