Will be updated very Yellowtail.
You have construction method of the B-2, B-4 construction, B-1 construction of PALTEX waterproof. All are in the pit construction.
Use harness at all times because of the cold, and then Jet heater, temperature control was important.
So for Pitt in the work involves risk of hypoxia and blower also gave perfect ventilation.
B-1 method is (1) primer coating (2) B material coating

Is the B-2 construction method (1) primer coating (2) B material coating (3) application of paraquat



Is B-4 construction method (1) primer coating 2 B material coating (3) EM coating (4) GSS coating 1 (5) GSS applications second

Progress proceeds well and completed