The discharge of hold-washings and other residues by vessels carrying noxious or corrosive goods must be conducted in compliance with the state provisions for vessel sewage discharge and shall be truthfully recorded in the logbook.
They're incredibly corrosive and very dangerous, but they also might hold the keys to things like creating better plastics and to fighting smog in cities worldwide.
She and her co-stars are certainly conscious of how they're perceived, but part of their appeal is that they don't seem self-conscious in the corrosive way that younger women can be.