Fortune-telling burning cloth strips _ superstitious burning cloth strips

What are the disadvantages of boiling water with cloth?

Cloth strips will decompose incompletely when burning, especially chemical fiber strips. Secondly, the cloth strips will be dyed with colors and patterns (these are dyes), which will make them burn incompletely and produce some harmful organic substances, which will be released into the air. If they are absorbed into the human body by water, it will bring harm to the health of users.