1
2
3
4
5
6
7
Subject (ZB):
“...energy management...”
8
Subject (ZB):
“...energy conservation...”
9
Subject (ZB):
“...energy conservation...”
10
Subject (ZB):
“...energy conservation...”
11
12
Subject (ZB):
“...energy conservation...”
13
Subject (ZB):
“...energy conservation...”
14