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Eraser, and you have to wipe it quickly, otherwise it will seep into the paint of the wooden door, and you won't be able to get it off.
It can be wiped off with foam cleaner, or with gasoline and diesel.
Yes, it has a chlorine content similar to 84, and it will chemically react with the paint on the door, causing discoloration.
The decoration style of each house is different, some styles can only be white, some use red, it depends on the overall matching, not a cover.
Peony is rich, orchid is elegant, I like it personally, and plum blossoms and chrysanthemums are generally used less, which may be the reason for the meaning and harmony.
1. Is it all the lubricating oil on the slide? Sprinkle some flour or cornstarch on top of this one and wipe it with a dry rag after a while so that the slide doesn't rust. If the oil stain on the door is to add dish soap with warm water, wipe it with a scouring pad, and the scouring pad will basically be scrapped after wiping, because the oil will be dirty on the cloth.