3304
Uniform and fine microstructures were achieved in the deposited metal using mild steel filler wire in CC-WAAM .
 material: microstructures; material: metal; material: mild steel
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: microstructures, metal, mild steel 
Answer:
 material: microstructures; material: metal; material: mild steel