5911
At 750 °C , 70 μm of material is removed after quenching to avoid the precipitation of corrosion resistant oxides .
 material: material; manufacturing process: quenching; concept or principle: precipitation; concept or principle: corrosion; material: oxides
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: material, quenching, precipitation, corrosion, oxides 
Answer:
 material: material; manufacturing process: quenching; concept or principle: precipitation; concept or principle: corrosion; material: oxides