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In most of the cases , AM is used to obtain preliminary 3D structures in green that are built from mixture powders with organic or inorganic binder materials and need to be submitted to further steps of debinding and sintering .
 manufacturing process: AM; concept or principle: 3D structures; material: powders; material: binder; material: be; concept or principle: debinding; manufacturing process: sintering
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: AM; concept or principle: 3D structures; material: powders; material: binder; material: be; concept or principle: debinding; manufacturing process: sintering