3767
The creep parameters , namely stress exponent n and apparent activation energy Q , were found to be 25 ± 2 and 146 ± 20 kJ/mole , respectively .
 machanical property: creep; machanical property: stress; material: n; material: be
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: creep, stress, n, be 
Answer:
 machanical property: creep; machanical property: stress; material: n; material: be