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Different authors pointed out that high-resolution imaging of each printed layer combined with image segmentation methods can be used to detect powder recoating errors together with surface and geometrical defects .
 process parameter: high-resolution; process parameter: layer; concept or principle: image; material: be; material: powder; concept or principle: errors; concept or principle: surface; concept or principle: defects
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: high-resolution, layer, image, be, powder, errors, surface, defects 
Answer:
 process parameter: high-resolution; process parameter: layer; concept or principle: image; material: be; material: powder; concept or principle: errors; concept or principle: surface; concept or principle: defects