806
It can be seen in 5 that the FDM samples exhibited significant pore formation , with internal voids , as well as voids formed between the deposited beads during printing .
 material: be; manufacturing process: FDM; machanical property: pore; concept or principle: internal voids; material: as; material: as; process characterization: deposited 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:
 material: be; manufacturing process: FDM; machanical property: pore; concept or principle: internal voids; material: as; material: as; process characterization: deposited beads