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Results from characterisation techniques including thermal and mechanical testing when applied to the formulated filaments indicated that these techniques are a useful predictive measure for assessing the ability to print a given formulation via filament methods .
 mechanical testing, filaments, print, filament
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:
 mechanical testing, filaments, print, filament