2017
Using passive stabilization platforms onboard moving research vessels , we successfully printed a number of parts with no discernable differences from those produced in a traditional land-based laboratory .
 passive stabilization platforms, research vessels, discernable, land-based laboratory
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:
 passive stabilization platforms, research vessels, discernable, land-based laboratory