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Tensile tests performed at 25 °C and 100 °C show that the ultimate tensile stress ( UTS ) increases with increasing loading fraction of the magnet powder , and decreases with increasing temperature .
 Tensile tests, tensile stress, UTS, fraction, magnet, temperature
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:
 Tensile tests, tensile stress, UTS, fraction, magnet, temperature