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Biocompatible 316L stainless steel specimens processed in laser-powder bed fusion ( L-PBF ) is subjected to tensile testing and post-hoc microhardness to obtain orthotropic material properties of the AM implants .
 machanical property: Biocompatible; material: 316L stainless steel; concept or principle: processed; manufacturing process: bed fusion; manufacturing process: L-PBF; process characterization: tensile testing; concept or principle: microhardness; material: orthotropic; concept or principle: material properties; manufacturing process: AM
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: Biocompatible, 316L stainless steel, processed, bed fusion, L-PBF, tensile testing, microhardness, orthotropic, material properties, AM 
Answer:
 machanical property: Biocompatible; material: 316L stainless steel; concept or principle: processed; manufacturing process: bed fusion; manufacturing process: L-PBF; process characterization: tensile testing; concept or principle: microhardness; material: orthotropic; concept or principle: material properties; manufacturing process: AM