8100
In conclusion , the optimized PP feedstock material features less warp deformation , high stiffness , and most importantly , outstanding interlayer bonding qualities .
 material: feedstock material; concept or principle: deformation; machanical property: stiffness; concept or principle: bonding
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: feedstock material, deformation, stiffness, bonding 
Answer:
 material: feedstock material; concept or principle: deformation; machanical property: stiffness; concept or principle: bonding