Comment on A polymer made from waste cooking oil and sulphur can clean up crude oil spillsparentComments−cimmanom8yUsing manure as fertilizer is very different, in the sense that anything grown in fertilizer can be washed before eating. We don't generally wash things between cooking them in oil and consuming them.
Comments
Using manure as fertilizer is very different, in the sense that anything grown in fertilizer can be washed before eating. We don't generally wash things between cooking them in oil and consuming them.