8880
Sustainable and environmentally friendly process for spherical poly ( L-lactide ) ( PLLA ) particles for Additive Manufacturing .
 concept or principle: Sustainable; concept or principle: process; concept or principle: spherical; concept or principle: particles; manufacturing process: Additive Manufacturing
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: Sustainable, process, spherical, particles, Additive Manufacturing 
Answer:
 concept or principle: Sustainable; concept or principle: process; concept or principle: spherical; concept or principle: particles; manufacturing process: Additive Manufacturing