54
However , research on this topic has been restricted mainly to near-net shaping of relatively low melting temperature metals .
 concept or principle: research; manufacturing process: shaping; process parameter: melting temperature
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: research, shaping, melting temperature 
Answer:
 concept or principle: research; manufacturing process: shaping; process parameter: melting temperature