8688
Hence , the upper and lower bounds for fatigue life prediction were introduced based on the strongest and weakest part build directions or raster orientations of 3D printed materials .
 machanical property: fatigue life; process parameter: build directions; process parameter: raster orientations; manufacturing process: 3D printed
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: fatigue life, build directions, raster orientations, 3D printed 
Answer:
 machanical property: fatigue life; process parameter: build directions; process parameter: raster orientations; manufacturing process: 3D printed