335
Furthermore , it was observed that HF-WAAM significantly affects porosity ; pores formed during the process were closed by the hot forging process .
 machanical property: porosity; machanical property: pores; concept or principle: process; manufacturing process: forging
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: porosity, pores, process, forging 
Answer:
 machanical property: porosity; machanical property: pores; concept or principle: process; manufacturing process: forging