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The weld quality improvement of UAM steel at higher baseplate temperatures is believed to be caused by the reduction of the yield strength of SS 410 at elevated temperature .
 process parameter: weld quality; manufacturing process: UAM; material: steel; process parameter: temperatures; material: be; concept or principle: reduction; machanical property: yield strength; material: SS; process parameter: temperature
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: 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:
 process parameter: weld quality; manufacturing process: UAM; material: steel; process parameter: temperatures; material: be; concept or principle: reduction; machanical property: yield strength; material: SS; process parameter: temperature