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To test the performance of each design , plasticine has been processed through the extruders and deposited on the machine bed .
 concept or principle: performance; engineering feature: design; concept or principle: processed; machine or equipment: machine; machine or equipment: bed
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: performance; engineering feature: design; concept or principle: processed; machine or equipment: machine; machine or equipment: bed