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The tensile strength of the FSW is nearly equal to the base material at a relatively higher tool rotation speed .
 machanical property: tensile strength; manufacturing process: FSW; material: material; process parameter: tool rotation speed
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: tensile strength, FSW, material, tool rotation speed 
Answer:
 machanical property: tensile strength; manufacturing process: FSW; material: material; process parameter: tool rotation speed