Each belt from

Starting from the second belt to the dome, the sheets of belts were cut in size 2076 x 7054 mm instead of the project 1,500 x 5642 mm. Replacing the opening reduced the number of sheets in each belt from 5 to 4, the number of belts on each air heater - from 19 to 13, and the total number of sheets on four air heater - by 172.