1154
Characterized by slender/thin members , such as struts/bars or sheets/plates , these formations are increasingly utilized as an integral feature in AM-designs primarily due to material and time-/energy-saving in fabrication as well as improvements in strength-to-weight ratio , as summarized in .
 material: as; material: as; engineering feature: feature; material: material; manufacturing process: fabrication; material: as; material: as; material: as
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; material: as; engineering feature: feature; material: material; manufacturing process: fabrication; material: as; material: as; material: as