1089
The existing overlapping models consider only the geometric area of adjacent beads , but ignore the spreading of the melted weld beads .
 process parameter: area; process characterization: beads; concept or principle: melted; process characterization: beads
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:
 process parameter: area; process characterization: beads; concept or principle: melted; process characterization: beads