2060
In thin wall samples , heat treatment resulted in an increase in the maximum relative magnetic permeability and decrease in power losses in most samples , consistent with grain growth .
 concept or principle: samples; manufacturing process: heat treatment; machanical property: permeability; process parameter: power; concept or principle: samples; concept or principle: grain growth
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: samples, heat treatment, permeability, power, samples, grain growth 
Answer:
 concept or principle: samples; manufacturing process: heat treatment; machanical property: permeability; process parameter: power; concept or principle: samples; concept or principle: grain growth