6730
In addition , 3-D printed custom tools were demonstrated for a range of wet processing applications .
 3-D, tools, range
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:
 3-D, tools, range