An ineffective void is an area of (in this case) the coffee bed where the actual void is not ‘participating’ in the flow of water. It’s ‘immobile’ and separate from areas where flow is inhibited.
February 2020 |
||||||
|---|---|---|---|---|---|---|
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|
1
|
2
|
|||||
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
|
24
|
25
|
26
|
27
|
28
|
29
|
|