... due to superior component design which are connected by standard bolts.4. Easy to understand . The ... the tightness and using period.(2) ColumnThe column, made by the Z-bar, is used to reinforce the ... silo body. It is connected by junction panels.(3) Manhole and Roof LaddersThere are ... accessible for any maintenance work. 2. RoofRoof is made up of radiated beam, roof cover board, tension ...