1964
In addition , including both academic and industrial examples , those studies commonly lack experimental verification and there is no explicit agreement by the scientific community on their aspect ratio , which sets barriers for comparison and TO performance benchmarking .
 application: industrial; concept or principle: experimental; engineering feature: aspect ratio; concept or principle: performance
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:
 application: industrial; concept or principle: experimental; engineering feature: aspect ratio; concept or principle: performance