7677
The orthogonal experiment showed that the print speed of 15mm/s , nozzle diameter of 0.40mm and layer height set as 70 % of nozzle diameter was the optimized processing conditions .
 experiment, print, nozzle diameter, layer height, as, nozzle diameter
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:
 experiment, print, nozzle diameter, layer height, as, nozzle diameter