8639
Incorporating a small amount of a trithiocarbonate RAFT agent into the formulation leads to increased elongation and toughness accompanied by a small decrease in tensile modulus .
 machine or equipment: RAFT; machanical property: elongation; machanical property: toughness; machanical property: tensile
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: RAFT, elongation, toughness, tensile 
Answer:
 machine or equipment: RAFT; machanical property: elongation; machanical property: toughness; machanical property: tensile