O TRUSS BRIDGE KIT
O OLD TIME SWING BRIDGE KIT
O REFINERY KIT
O TWIN HORIZONTAL TANKS KIT
O BULK OIL TANK KIT
O UTILITY WATER TOWER KIT
O LIQUID OXYGEN TANK KIT
O SIDE BY SIDE TANK KIT
O TWIN LP GAS TANKS KIT
O SILO & GRAIN ELEVATOR KIT
O SPHERICAL TANK KIT
O FLOATING ROOF TANK KIT
