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Furthermore , heat accumulation caused by multiple scanning increases convection and conduction heat flux resulting in the increase of the width and depth of the molten pool , but no change of dominant role of convective heat flux to the shape of the molten pool .
 machanical property: heat accumulation; concept or principle: scanning; concept or principle: heat flux; concept or principle: molten pool; concept or principle: heat flux; concept or principle: molten pool
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: heat accumulation, scanning, heat flux, molten pool, heat flux, molten pool 
Answer:
 machanical property: heat accumulation; concept or principle: scanning; concept or principle: heat flux; concept or principle: molten pool; concept or principle: heat flux; concept or principle: molten pool