716
For a constrained device configuration , the use of non-optimised trajectories can lead to manufacturing failure due to an axis overtravel or singularity state ; problem which can be avoided thanks to the proposed methodology .
 concept or principle: configuration; material: lead; manufacturing process: manufacturing; concept or principle: failure; material: be; concept or principle: methodology
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: configuration; material: lead; manufacturing process: manufacturing; concept or principle: failure; material: be; concept or principle: methodology