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In this work we used the MBAAM system with a mild steel wire , ER70B-6 , to fabricate a compression molding mold for composite structures used in automotive and masB-transit applications .
 manufacturing process: MBAAM; material: mild steel; material: ER70B-6; manufacturing process: fabricate; manufacturing process: compression molding; concept or principle: composite structures; application: automotive; application: masB-transit
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: MBAAM, mild steel, ER70B-6, fabricate, compression molding, composite structures, automotive, masB-transit 
Answer:
 manufacturing process: MBAAM; material: mild steel; material: ER70B-6; manufacturing process: fabricate; manufacturing process: compression molding; concept or principle: composite structures; application: automotive; application: masB-transit