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Usually the process gas flow rates and the process gas types are not regarded as the primary process parameters of the laser cladding process .
 concept or principle: process gas; process parameter: flow rates; concept or principle: process gas; material: as; concept or principle: process parameters; manufacturing process: laser cladding
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: process gas, flow rates, process gas, as, process parameters, laser cladding 
Answer:
 concept or principle: process gas; process parameter: flow rates; concept or principle: process gas; material: as; concept or principle: process parameters; manufacturing process: laser cladding