Abubuwan amfani:

1, ƙananan yanki;

2, kayan aikin gini mai sauki, babu buƙatar tushen rami, amfani da ƙasa;

3, babban amfani da sararin samaniya na baturi, ajiyar baturi mai girma;

4, modular taro, general shigarwa da debugging sauki;

5, ƙarfin overlappability.