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On one hand the heating rates required for thermal debinding are very low and it must be carried out in a powder bed , increasing the time and complexity of the process .
 manufacturing process: heating; process characterization: thermal debinding; material: be; machine or equipment: powder bed; concept or principle: complexity; concept or principle: process
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: heating; process characterization: thermal debinding; material: be; machine or equipment: powder bed; concept or principle: complexity; concept or principle: process