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Experimental observations for the build geometry tested showed that for Inconel® 718 and a constant scan pattern produce results in a 37.6 % increase in distortion as compared with a rotated scan pattern .
 Experimental, build, scan pattern, distortion, as, scan pattern
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:
 Experimental, build, scan pattern, distortion, as, scan pattern