2008
However , the operation of conformal lattice is more complicated and more difficult to control the manufacturability since they are not , like uniform lattices usually are , derived from benchmarking results .
 engineering feature: conformal lattice; concept or principle: manufacturability; concept or principle: lattices
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:
 engineering feature: conformal lattice; concept or principle: manufacturability; concept or principle: lattices