1866
Many polymer-based systems have camera monitoring that allow determining the build status and remote intervention if problems can be seen .
 machine or equipment: camera; process parameter: build status; material: be
Please list all entity words in the text that fit the category.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} 
Answer:
 machine or equipment: camera; process parameter: build status; material: be