8085
In this study , the mixes consist of ordinary Portland cement , fine sand , chopped glass fibres ( 6 mm ) and chemical admixtures , which are used to print prismatic- and cubic-shaped specimens .
 cement, sand, glass fibres, mm, print
Please list all entity words in the text that fit the category. Output format is "word1, 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:
 cement, sand, glass fibres, mm, print