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In this paper , a series of ten-layer depositing walls were deposited by WAAM using the same depositing direction and reverse depositing direction to study the effect of different heat conditions on the residual stress and distortion of the deposition wall .
 manufacturing process: WAAM; concept or principle: heat; machanical property: residual stress; concept or principle: distortion; concept or principle: deposition
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: WAAM; concept or principle: heat; machanical property: residual stress; concept or principle: distortion; concept or principle: deposition