warning for dangerous liquids.

aggressive alarm alone attention attentions bottle burn burnable caution cautionary cautions chemical chemically chemicals combustible contaminated contamination danger dangerous discarded ecology empty emptying environment explosive fiery flammable fluid glass harmful hazardous industrial industry inflammable label labeling labelling liquid liquids material milieu non object organic perilous pollution risk safe safety sign signification signs single soiling specification sticker substance substances tag tagging vial warning warnings waste watch