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Laser powder bed fusion ( LPBF ) additive manufacturing and laser welding are powerful metal processing techniques with broad applications in advanced sectors such as the biomedical and aerospace industries .
 Laser powder bed fusion, LPBF, additive manufacturing, laser welding, metal, as, biomedical, aerospace industries
Please list all entity words in the text that fit the category. Output format is "word1, 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:
 Laser powder bed fusion, LPBF, additive manufacturing, laser welding, metal, as, biomedical, aerospace industries