For things that have had contents with volatile oil like thinners they should be left for a few days to completely evaporate it before being disposed of as non-flammable waste.

The girls were trussed up and left in a cellar.

Wherever you go, you see a lot of bicycles left on sidewalks near stations.

A bicycle will rust if you leave it in the rain.

Don't leave your personal belongings in the washroom.

Tom was in a hurry so he left his bed unmade.

In order to stop "trolls" from causing problem on the internet, you should leave them alone. You cannot give them "bait".