2104
This resulted in a volume reduction of 70 % from 41L to 11L and a weight reduction of 60 % from 30 kg to 12 kg .
 concept or principle: volume reduction; process parameter: weight; concept or principle: reduction
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:
 concept or principle: volume reduction; process parameter: weight; concept or principle: reduction