1 2 3 160 July 8, 2019 16 32 64 128 1 2 3 4 5 6 до 160 1 2 3 до 160 1 2 3 x 1600 1 2 3 4 5 to 160 3 1 2 of 1600 3 1 2 sch 160 pipe 160 1 2 √ 3
