The difference between one letter or two letters; writing with a "SHINUI" (not the usual manner).
One letter on top of another letter.
How to Remove Gum, Paste, or Sticky Substances; Walking with High Heels on a Dirt Ground; Removing Twigs, Pebbles, etc. with One's Foot;
More Important Guidelines About Using Insecticides or Bug Sprays in a Room;