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We focus on the feasibility of controlling the phase formation in additively manufactured Mn-Al alloys by employing post-manufacturing heat treatment .
 concept or principle: feasibility; concept or principle: phase; manufacturing process: additively manufactured; material: alloys; manufacturing process: heat treatment
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: feasibility, phase, additively manufactured, alloys, heat treatment 
Answer:
 concept or principle: feasibility; concept or principle: phase; manufacturing process: additively manufactured; material: alloys; manufacturing process: heat treatment