Dumb question, why would anyone put electrical outlets in the ceiling?

Definitely the second one.

1. It avoids Mut
2. It makes clear that the initialization is over at the end of of the statement. The first option invites people to change some more properties hundreds of lines down where you won’t see them.

I don’t think this will ever be used to recycle micro plastics. Just grinding up plastic is way more economical.

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Stock GNOME doesn’t have tray icons. If your distribution does show them, they probably preinstalled an extension for you (like Ubuntu does).