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Another form of AM using material extrusion is material jetting process , where the material is deposited in the form of droplets , instead of filament , to form a 2D pattern .
 manufacturing process: AM; manufacturing process: material extrusion; manufacturing process: material jetting; material: material; concept or principle: droplets; material: filament; engineering feature: 2D pattern
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: AM; manufacturing process: material extrusion; manufacturing process: material jetting; material: material; concept or principle: droplets; material: filament; engineering feature: 2D pattern