7065
Plasma treatment strongly reduced the aggregation of the nanoclay ( C30B and I.34TCN ) particles , and powders displayed higher decomposition temperatures than those without plasma treatment .
 concept or principle: Plasma; concept or principle: particles; material: powders; machanical property: decomposition; concept or principle: plasma
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: Plasma, particles, powders, decomposition, plasma 
Answer:
 concept or principle: Plasma; concept or principle: particles; material: powders; machanical property: decomposition; concept or principle: plasma