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It is also demonstrated that , with adjusted laser process parameters , good quality welds for aerospace applications in terms of pressure resistance and leak tightness are achievable .
 enabling technology: laser; concept or principle: parameters; concept or principle: quality welds; application: aerospace; machanical property: pressure resistance
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:
 enabling technology: laser; concept or principle: parameters; concept or principle: quality welds; application: aerospace; machanical property: pressure resistance