9112
As part of a larger study on the laser sintering ( LS ) of nano-composite structures for biomedical applications , a wet mixing method was used to coat Polyamide 12 ( PA12 ) particles with nano-hydroxyapatite ( nHA ) .
 material: As; manufacturing process: laser sintering; application: biomedical applications; concept or principle: mixing; material: Polyamide 12; material: PA12; concept or principle: particles
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: As, laser sintering, biomedical applications, mixing, Polyamide 12, PA12, particles 
Answer:
 material: As; manufacturing process: laser sintering; application: biomedical applications; concept or principle: mixing; material: Polyamide 12; material: PA12; concept or principle: particles