1950
The study compared the results obtained for the extraction of areal surface texture data per ISO 25178-2 from five X-ray computed tomography ( CT ) volume measurements from each of four laboratories .
 surface texture, data, ISO 25178-2, X-ray computed tomography, CT, volume, laboratories
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:
 surface texture, data, ISO 25178-2, X-ray computed tomography, CT, volume, laboratories