I really do not like the "examples" that are filled in when adding or editing a firework. Frequently, I end up not filling in the duration, lift time, or shots fields because they seem to be already filled in. Yes, they are greyed. But, when I'm moving fast ... In my opinion, better would be blank. I get that you're trying to provide an example, but actually it just adds confusion and errors. You could title the fields "Duration (in seconds)" and "Lift time (in seconds)". Then format the field for numeric only. Lose the "s", because the software should just know that it is seconds so why even bother with the keystroke. I think all of the prefilled fields should just be left blank. I'm confident most people can figure out what goes in the "name" or "year" fields, and, it just adds clutter and confusion.