2050
Despite the high possible complexity , some design for AM rules have emerged which improve the manufacturability and reliability of these types of parts and these should be incorporated into the design process .
 concept or principle: complexity; engineering feature: design; manufacturing process: AM; concept or principle: manufacturability; process characterization: reliability; material: be; concept or principle: design process
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:
 concept or principle: complexity; engineering feature: design; manufacturing process: AM; concept or principle: manufacturability; process characterization: reliability; material: be; concept or principle: design process