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The precise deposition of small adjacent droplets of molten thermoplastic suspensions containing ceramic particles allowed to obtain filament-like structures by coalescence of adjacent droplets .
 concept or principle: deposition; concept or principle: droplets; material: thermoplastic; material: ceramic; concept or principle: coalescence of adjacent droplets
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: deposition; concept or principle: droplets; material: thermoplastic; material: ceramic; concept or principle: coalescence of adjacent droplets