If you make a thick soup and forget to stir it, the solids can precipitate to the bottom and burn. Or you can just forget about it long enough that all the liquid evaporates. Tomato solids in particular like to turn into a mush that separates from the liquids and sink to the bottom.
Unless you are putting greasy food into the toaster oven, it takes no more work to clean than a regular toaster (just empty the crumb tray from time to time).
I think its more of a familiarity/convenience thing for his coworkers to prefer the "one-click" toaster over the oven (which you need to...
Lol 5 years ago is too little. I remember seeing Kirei's mother spiel for the first time reading that romcom manga about the rich girl who calls the MC "Piggy" back in like 2017.
Edit: I looked it up to make sure my memory wasnt failing me too bad 😅. It was Masamune-kun no revenge, and yeah...
Like most things, the maid cap originated with the practical purposes of both keeping dust/debris off the hair and acting as a hairnet. In certain periods of opulence, it served a more symbolic and decorative purpose as women of lower class would cover their head [indoors] to distinguish themselves.
The ammonia in urine is a nitrogen source so its just another type of fertilizer. However the salt in urine can add to the problem, so it is suggested to dilute it even if the soil is not particularly salty.