2080
The experimental results revealed that the new design of sand molds saved at least 60 % sand and shortened the shakeout time by at least 20 % .
 concept or principle: experimental; engineering feature: design; material: sand; machine or equipment: molds; material: sand
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: experimental, design, sand, molds, sand 
Answer:
 concept or principle: experimental; engineering feature: design; material: sand; machine or equipment: molds; material: sand