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In the current study , effects of various processing parameter such as impact velocity , substrate preheating temperature , a combination of different materials and coefficient of friction were used to describe the impact behaviour of ductile materials ( copper , Cu , and aluminium , Al ) after deposition to find a way of addressing high-strain-rate dynamic problems .
 concept or principle: parameter; material: as; material: substrate; manufacturing process: preheating; concept or principle: materials; machanical property: coefficient of friction; concept or principle: impact; machanical property: ductile; material: copper; material: Cu; material: aluminium; material: Al; concept or principle: deposition; concept or principle: dynamic
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: parameter, as, substrate, preheating, materials, coefficient of friction, impact, ductile, copper, Cu, aluminium, Al, deposition, dynamic 
Answer:
 concept or principle: parameter; material: as; material: substrate; manufacturing process: preheating; concept or principle: materials; machanical property: coefficient of friction; concept or principle: impact; machanical property: ductile; material: copper; material: Cu; material: aluminium; material: Al; concept or principle: deposition; concept or principle: dynamic