1530
You can find out the accuracy of some AM machines from manufacturer sources on the Table 1 .
 process characterization: accuracy; machine or equipment: AM machines; concept or principle: manufacturer
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 characterization: accuracy; machine or equipment: AM machines; concept or principle: manufacturer