8421
A build environment capable of maintaining a high-temperature ( > 200 °C ) is often required to enable high-quality FFF printing of high-glasB-transition , high-performance polymers such as nylon , PPSF , and ULTEM .
 process parameter: build; manufacturing process: FFF; material: polymers; material: as
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: build, FFF, polymers, as 
Answer:
 process parameter: build; manufacturing process: FFF; material: polymers; material: as