9251
Weight measurement method was used to validate the powder flow distributions at different positions under the nozzle .
 process parameter: Weight; process characterization: measurement; material: powder; concept or principle: distributions; machine or equipment: nozzle
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: Weight, measurement, powder, distributions, nozzle 
Answer:
 process parameter: Weight; process characterization: measurement; material: powder; concept or principle: distributions; machine or equipment: nozzle