1468
Compared to ABS , PLA responds differently to moisture , to ageing UV with a discoloration and to withdrawal of material .
 material: ABS; material: PLA; enabling technology: ageing UV; concept or principle: discoloration; material: material
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:
 material: ABS; material: PLA; enabling technology: ageing UV; concept or principle: discoloration; material: material