Брус 50x30

20 ⁰ 22 ⁰ 40 ¹ 45 ⁰ 50 ¹ 60 ⁰ 70 ⁰ 80 ⁰ 90 ⁰ 100 ⁰ 120 ⁰ 140 ⁰ 150 ⁰ 180 ⁰ 190 ⁰ 200 ⁰

15 ⁰ 20 ⁵ 30 ¹ 40 ⁵ 45 ⁰ 50 ⁵ 70 ⁰ 80 ⁰ 90 ⁰ 100 ⁰ 120 ⁰ 140 ⁰ 150 ⁰ 190 ⁰ 200 ¹ 300 ¹ 400 ⁰

1 ⁰ 1.5 ⁰ 1.8 ⁰ 2 ⁰ 2.1 ⁰ 2.4 ⁰ 2.5 ⁰ 2.7 ⁰ 3 ¹ 4 ⁰ 8,5 ⁰ 6 ⁰