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Successful welding of additively manufactured headers with the heat exchanger core and conventionally manufactured flanges was demonstrated through the fabrication of the unit .
 manufacturing process: welding; manufacturing process: additively manufactured; machine or equipment: heat exchanger; machine or equipment: core; concept or principle: manufactured; manufacturing process: fabrication
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: welding; manufacturing process: additively manufactured; machine or equipment: heat exchanger; machine or equipment: core; concept or principle: manufactured; manufacturing process: fabrication