made from aluminum profile because it has the ability to be able to remove the high pressure has been dwindling and later with the design, there is a triangular-shaped structure symmetric structure as it is the most strongly
By using aluminum profile with a width 30 X 30 mm 2 9 bars of all the pillars are as follows: 3 number of bars, the length 700 mm frame on the top and bottom as well as 6 bars of length 550 mm and cut off one end, a corner 60 degrees
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