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Consequently , the manufactured components often contain inherent weaknesses in the z-axis due to the relatively weak thermal fusion bonding that occurs between individual layers , as well as poor surface finish in shallow sloped contours .
 concept or principle: manufactured; machine or equipment: components; concept or principle: z-axis; concept or principle: fusion bonding; material: as; material: as; engineering feature: surface finish; engineering feature: contours
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: manufactured, components, z-axis, fusion bonding, as, as, surface finish, contours 
Answer:
 concept or principle: manufactured; machine or equipment: components; concept or principle: z-axis; concept or principle: fusion bonding; material: as; material: as; engineering feature: surface finish; engineering feature: contours