1047
The residual stresses that are introduced by welding operations will have an influence on the integrity of critical components over a design lifetime that exceeds 60 years .
 machanical property: residual stresses; manufacturing process: welding; concept or principle: integrity; machine or equipment: components; engineering feature: design
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:
 machanical property: residual stresses; manufacturing process: welding; concept or principle: integrity; machine or equipment: components; engineering feature: design