5892
We use data from two types of in-process sensors , namely , a spectrometer and an optical camera which are integrated into an Optomec MR-7 DED machine .
 data, sensors, optical, camera, DED machine
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:
 data, sensors, optical, camera, DED machine