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Both DED and PBF products require subsequent surface finishing for high performance components and sometimes there is also a need for post heat treatment .
 manufacturing process: DED; manufacturing process: PBF; manufacturing process: surface finishing; concept or principle: performance; machine or equipment: components; manufacturing process: heat treatment
Please list all entity words in the text that fit the category.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} 
Answer:
 manufacturing process: DED; manufacturing process: PBF; manufacturing process: surface finishing; concept or principle: performance; machine or equipment: components; manufacturing process: heat treatment