6738
The MS samples were fabricated using different combinations of laser power , scanning speed , hatch distance , and build angle .
 concept or principle: samples; concept or principle: fabricated; process parameter: laser power; process parameter: scanning speed; process parameter: hatch distance; process parameter: build
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: samples, fabricated, laser power, scanning speed, hatch distance, build 
Answer:
 concept or principle: samples; concept or principle: fabricated; process parameter: laser power; process parameter: scanning speed; process parameter: hatch distance; process parameter: build