fletch16

Based on 3 different kinds of conditions of computer fan performance tests, the common features between B and A are detected as a result.
Test conditions:
1. To check any difference between computer case B and A, if mother board A is installed in the computer case B.
2. To check any difference between test 1 and test 2, if mother board B is installed in the computer case B.
3. To see if it is any difference after comparing computer case B1 with B2.