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For example , Baumers presents a cost breakdown for metal powder bed based production of a stainless steel 304L product with wire erosion support removal and de-powdering as post processing steps .
 material: metal powder; machine or equipment: bed; manufacturing process: production; material: stainless steel 304L; concept or principle: wire erosion; application: support; machanical property: de-powdering; material: as
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:
 material: metal powder; machine or equipment: bed; manufacturing process: production; material: stainless steel 304L; concept or principle: wire erosion; application: support; machanical property: de-powdering; material: as