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There is no stirring of the electron beam inside the liquid deposition body , and the dissolution and diffusion of elemental Ti exists , which ensures the effective connection between the deposition and the TC4 substrate .
 concept or principle: electron beam; concept or principle: deposition; concept or principle: diffusion; material: Ti; concept or principle: deposition; material: substrate
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: electron beam, deposition, diffusion, Ti, deposition, substrate 
Answer:
 concept or principle: electron beam; concept or principle: deposition; concept or principle: diffusion; material: Ti; concept or principle: deposition; material: substrate