809
A new modified heat treatment was found to be effective in dissolving Laves phase , whereas a standard treatment precipitated δ phase .
 manufacturing process: heat treatment; material: be; concept or principle: Laves phase; concept or principle: standard; concept or principle: phase
Please list all entity words in the text that fit the category.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} 
Answer:
 manufacturing process: heat treatment; material: be; concept or principle: Laves phase; concept or principle: standard; concept or principle: phase