6391
In this paper , we investigate the mechanical properties and energy absorption abilities of three types of TPMS sheet structures ( Primitive , Diamond , and Gyroid ) fabricated by selective laser melting ( SLM ) with 316 L stainless steel under compression loading and classify their failure mechanisms and printing accuracy with the help of numerical analysis .
 concept or principle: mechanical properties; process characterization: energy absorption; material: sheet; material: Diamond; concept or principle: fabricated; manufacturing process: selective laser melting; manufacturing process: SLM; material: stainless steel; machanical property: compression; machanical property: failure mechanisms; process characterization: accuracy
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: mechanical properties, energy absorption, sheet, Diamond, fabricated, selective laser melting, SLM, stainless steel, compression, failure mechanisms, accuracy 
Answer:
 concept or principle: mechanical properties; process characterization: energy absorption; material: sheet; material: Diamond; concept or principle: fabricated; manufacturing process: selective laser melting; manufacturing process: SLM; material: stainless steel; machanical property: compression; machanical property: failure mechanisms; process characterization: accuracy