3549
Using different measuring modes and laser scanning parameters , several experimental observations are discussed to validate and extend theoretical models and simulations from the literature .
 enabling technology: laser; concept or principle: parameters; concept or principle: experimental; concept or principle: theoretical models; enabling technology: simulations
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: laser, parameters, experimental, theoretical models, simulations 
Answer:
 enabling technology: laser; concept or principle: parameters; concept or principle: experimental; concept or principle: theoretical models; enabling technology: simulations