5358
Electronic imaging has recently been investigated as one of the in-situ EBM data collection methods , alongside thermal / optical imaging techniques .
 imaging, as, in-situ, EBM, data, optical, imaging
Please list all entity words in the text that fit the category. Output format is "word1, 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:
 imaging, as, in-situ, EBM, data, optical, imaging