5247
Porosity , density , and defect were characterised at 4 localities within the DED component by microscopy and x-ray tomography .
 machanical property: Porosity; machanical property: density; concept or principle: defect; manufacturing process: DED; machine or equipment: component; process characterization: microscopy; process characterization: x-ray tomography
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: Porosity, density, defect, DED, component, microscopy, x-ray tomography 
Answer:
 machanical property: Porosity; machanical property: density; concept or principle: defect; manufacturing process: DED; machine or equipment: component; process characterization: microscopy; process characterization: x-ray tomography