278
The experimental results show solidification of metal powders in forms of spheres and rods ( of ∼2 mm diameter ) and extension of these rods by adding batches of powder and consolidating them locally as building blocks by LMH .
 experimental, solidification, metal powders, mm, diameter, powder, as
Please list all entity words in the text that fit the category. Output format is "word1, 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:
 experimental, solidification, metal powders, mm, diameter, powder, as