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Regilarite: 0.5mm / 1m max pou tib anba a 3m, 0.8mm / 1m max pou tib ant 3 a 6m, 1.2mm / 1m pou tib pi wo a 6m
eng
Straightness: 0.5mm/1m max for tubes below 3m,0.8mm/1m max for tubes between 3 to 6m, 1.2mm/1m for tubes above 6m