Answer:
Prevents distortion
Explanation:
Double-pouring technique is used for casting, it prevents distortion of the material to be fabricated or the study model.
It ensures the study or fabricated model is firmly withheld, increasing the material life span, and can be used at extreme conditions.
This type of technique takes longer time to set than the single pour method as it gives the needed base to yeild the oral structures.
Answer: They move during that time because of the fact that the earth move around one its axis around the sun.
Explanation:
Answer:
I looked it up and the answer is fluid mosaic.
