7738
Use of a liquid handler containing multi-pipette heads , to rapidly prepare inkjet formulations in a micro-array format , and subsequently measure the viscosity and surface tension for each in a high-throughput manner is reported .
 manufacturing process: inkjet; machanical property: viscosity; machanical property: surface tension
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: inkjet, viscosity, surface tension 
Answer:
 manufacturing process: inkjet; machanical property: viscosity; machanical property: surface tension