or for aerosol cans and things like that because they say it's not safe to put those things in the regular trash
I'm sure it's completely safe to put aerosol cans in the normal garbage bins. 
mnli hypothesis: I'm sure it's completely safe to put aerosol cans in the normal garbage bins.  premise: or for aerosol cans and things like that because they say it's not safe to put those things in the regular trash