1141
Similarly , the skeletonisation of 2D LS topologies was utilized in to constrain the minimum hole size and control the number of holes in the topology to ensure better manufacturability .
 enabling technology: skeletonisation; concept or principle: 2D; concept or principle: topologies; engineering feature: hole size; concept or principle: topology; concept or principle: manufacturability
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:
 enabling technology: skeletonisation; concept or principle: 2D; concept or principle: topologies; engineering feature: hole size; concept or principle: topology; concept or principle: manufacturability