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4.2.2 Material extrusion and jetting Generally , in the material extrusion process the material is heated and extruded through a nozzle .
 manufacturing process: Material extrusion; manufacturing process: jetting; manufacturing process: material extrusion; material: material; manufacturing process: extruded; machine or equipment: nozzle
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: Material extrusion; manufacturing process: jetting; manufacturing process: material extrusion; material: material; manufacturing process: extruded; machine or equipment: nozzle