How can I remove the words from the wooden packing box?
Only use the day to take water and other things, with a towel to get wet, and soak the place where the seal will be diluted. Because the materials of atomic and so forth are compounds, it is only the solvent of the compound that dissolves it.
Is your suitcase solid wood or plywood?! Can be used with hydrogen peroxide or sodium hydroxide!
Rub it slowly with a corner grinder and wipe it out
