5883
The results show morphological , chemical , and microstructural differences between the virgin powder and heat-affected powder formed during processing which aid in the understanding of laser spatter and condensate that form in the L-PBF process .
 concept or principle: microstructural; material: virgin powder; material: powder; enabling technology: laser; manufacturing process: L-PBF
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: microstructural, virgin powder, powder, laser, L-PBF 
Answer:
 concept or principle: microstructural; material: virgin powder; material: powder; enabling technology: laser; manufacturing process: L-PBF