Following up this article..Reactor4 had one explosion and 2 fires in March 2011
Tepco blotted out structural drawings of 36 pages (P 469~504) on their in-house accident investigation report.
The detailed parts of drawings are blotted with colors.
↓ The issued parts are on the left, corresponding parts from government’s investigation report are on the right.
Iori Mochizuki