When designing stairs, keep in mind that generally people shouldn’t have to climb more than 18 steps before a landing. — Robin Berghuijs, student of architecture
A cool tool is anything useful that is superior to comparable items. If you think this tool is inferior suggest a better one. You are welcome to insult a tool, but comments containing insults to individual people will be deleted. Corrections of fact are always welcomed, if stated politely. Recommendations of better tools are dearly wanted and may be elevated to the front page.