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The aB-built parts were subjected to post-processing heat treatments ( “ direct temper ” and “ quench and temper ” ) .
 concept or principle: post-processing heat; manufacturing process: temper; manufacturing process: temper
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: post-processing heat, temper, temper 
Answer:
 concept or principle: post-processing heat; manufacturing process: temper; manufacturing process: temper