Use a broom to sweep by in yakyai on the upper area of the tank will go up to work on the tank. In other sections may take up a pile of rice and to rounded sweep, or walk along a conveyor belt to complete the sweep.
Cobweb broom to sweep through the area on the cylinder will go up on the tank. In other parts of the stack can be used to sweep or walk along the conveyor belt to make castings.
Use the broom to sweep the area on the cylinder to work on the tank. In the other parts may be used to sweep up the heap or walk along the conveyor to clear out.