stakes 64 can be fixed below upper beam 65 and lower beam 66 are placed between posts 61 and 62 whereas check plate 67 and covering plate 68 are placed between upper beam 65 and lower beam 66 as shown in fig9 hook 71 and buckle plate 72 are fixed to posts 61 and 62 one end of hook 71 is fixed to said posts and the other end is a gate shaped tube 73 one long tenon 74 is set within said tube said buckle plate 72 is vertical and is fixed to said posts 61 and 62 on one end there is one crack 75 on other side of said buckle plate as shown in fig1 11 and 12 the top of said check plate 67 is formed as a c shaped tube 77 wherein protruding trail 78 enables it to be fixed to upper beam 65 the lower part of said check plate 67 is formed as a gate shaped tube 79 wherein intruding trail 80 and fixing line 81 enables it to be fixed to said beam said covering plate 68 comprise of smaller shaped plates that are fixed to one another the interior of said shaped plate 82 is equipped with protruding line 83 that allows.