It’s a triangular system composed of 3 main tubes and braces used for medium loads. The A-30T has 2mm thickness and truss connections made by conical fittings. The static analysis and structural designs are done according to DIN 4112 ,4113-1, DIN 4113-1 A1 and DIN 4113-2 standards and the loading charts are confirmed by TUEV SUED.