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It was found that post heat treatments resulted in a resistivity that was 33 % lower than the aB-built material .
 manufacturing process: heat treatments; machanical property: resistivity; material: material
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: heat treatments, resistivity, material 
Answer:
 manufacturing process: heat treatments; machanical property: resistivity; material: material