1797
As , AM becomes more widespread , one can expect more materials to become available but it is widely accepted that range of materials needs to be increased .
 material: As; manufacturing process: AM; concept or principle: materials; process parameter: range; concept or principle: materials; material: be
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: As; manufacturing process: AM; concept or principle: materials; process parameter: range; concept or principle: materials; material: be