The oak cabinet in the bathroom at home may be wet because of taking a bath too often, resulting in something that looks like fungi growing inside.

Things like this, like fungi, are in the project cabinet. Lao Zhang shows that there are some strains in the cabinet. You can wipe the cabinet with some thick soapy water, or use some sterilization things, as long as there are no strains. He doesn't understand. As long as there are no strains, nothing fungus will grow.