1773
For example , LPBF and femtosecond laser surface modification makes it possible to produce complex hierarchical structures for wettability applications .
 manufacturing process: LPBF; concept or principle: femtosecond laser; engineering feature: hierarchical structures; concept or principle: wettability
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:
 manufacturing process: LPBF; concept or principle: femtosecond laser; engineering feature: hierarchical structures; concept or principle: wettability