6083
The problem of the static images is that the images can not recognize the motion information ( i.e. , temporal transformation ) of the droplet .
 images, images, droplet
Please list all entity words in the text that fit the category. Output format is "word1, 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:
 images, images, droplet