1450
On the same principle proposed by Pomerantz a photomask system ( masking technology ) to produce 3D models , the DLP – Digital Light Processing , also known as FTI – Film Transfer Imaging , use the UV photopolymerised materials .
 material: photomask; concept or principle: masking; application: 3D models; manufacturing process: DLP; manufacturing process: Digital Light Processing; material: as; manufacturing process: Film Transfer Imaging; concept or principle: UV; material: photopolymerised materials
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: photomask; concept or principle: masking; application: 3D models; manufacturing process: DLP; manufacturing process: Digital Light Processing; material: as; manufacturing process: Film Transfer Imaging; concept or principle: UV; material: photopolymerised materials