453
MAM prediction error can lead to excess melt pool temperature , resulting in undesirable microstructure , residual stress , local porosity , and surface roughness .
 concept or principle: prediction error; material: lead; process characterization: excess melt pool temperature; concept or principle: microstructure; machanical property: residual stress; machanical property: porosity; machanical property: surface roughness
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:
 concept or principle: prediction error; material: lead; process characterization: excess melt pool temperature; concept or principle: microstructure; machanical property: residual stress; machanical property: porosity; machanical property: surface roughness