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In fact , as it happens with direct energy deposition , since these techniques do not involve the use of binders for the production of intermediate green pieces , it is not required any debinding process .
 material: as; manufacturing process: direct energy deposition; material: binders; manufacturing process: production; concept or principle: debinding
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: as; manufacturing process: direct energy deposition; material: binders; manufacturing process: production; concept or principle: debinding