Problem: How to clean wooden cutting boards
Choose a cutting board made of hard wood.
Cutting boards made of soft woods split more easily, and bacteria grow in the cuts a knife leaves behind. If you pick a cutting board made of a harder wood, like maple, walnut, or cherry, it will resist being cracked or nicked.

Answer: This will keep it safe and looking good for a long time. Consider seasoning it with mineral oil before use.

Problem: How to create more screen space in firefox
Use small icons!
Use keyboard shortcuts.
For example, the full screen shortcut is f11. If you know this shortcut you can remove the " full screen " button, if you have any.

Answer: Uninstall addons and toolbars you don't need. Navigate to about: addons and manage them from there.

Problem: How to do the basics of skateboarding
Get on your board while on carpet.
If you're not allowed to stand on your board in the house try in the grass. While holding onto something get used to how the board feels and everything.
Answer: Once familiar with the board, try standing on pavement without holding anything, put something nearby just in case you fall. Then, decide what your feet positioning is.