three layers-80cm high [upgrade reinforcement]] three layers-height 103cm [upgrade reinforcement]] four layers-118cm high [upgrade reinforcement]] four layers-height 138cm [upgrade reinforcement]] four layers-height 160cm [upgrade reinforcement]] four layers-183cm high [upgrade reinforcement]] four layers-198cm high [upgrade reinforcement]] five layers-height 160cm [upgrade reinforcement]] five layers-183cm high [upgrade reinforcement]] five layers-198cm high [upgrade reinforcement]] six layers-height 160cm [upgrade reinforcement]] six layers-183cm high [upgrade reinforcement]] six layers-198cm high [upgrade reinforcement]] seven layers-183cm high [upgrade reinforcement]] seven layers-198cm high [upgrade reinforcement]]

length 40 * width 30cm [paint rust prevention]] length 50 * width 30cm [paint rust prevention]] length 60 * width 30cm [paint rust prevention]] length 60 * width 35cm [paint rust prevention]] length 60 * width 40cm [paint rust prevention]] length 70 * width 30cm [paint rust prevention]] length 70 * width 35cm [paint rust prevention]] length 70 * width 40cm [paint rust prevention]] length 80 * width 30cm [paint rust prevention]] length 80 * width 35cm [paint rust prevention]] length 80 * width 40cm [paint rust prevention]] length 90 * width 30cm [paint rust prevention]] length 90 * width 40cm [paint rust prevention]] length 90 * width 50cm [paint rust prevention]] length 100 * width 30cm [strong load bearing]] length 100 * width 35cm [strong load bearing]] length 100 * width 40cm [strong load bearing]] length 100 * width 50cm [strong load-bearing]] length 120 * width 30cm [strong load-bearing]] length 120 * width 35cm [strong load-bearing]] length 120 * width 40cm [strong load bearing]] length 120 * width 50cm [strong load-bearing]] length 150 * width 30cm [strong load bearing]] length 150 * width 40cm [strong load bearing]] length 150 * width 50cm [strong load bearing]]