24) are of economic importance, as they contain a vesicant substance used for raising medicinal blisters on the human skin. [Please select]
0
, one part; distilled water, three parts; and, having placed it upon the place from which the hair has been previously cut off, holding over it a dry cloth to prevent evaporization of the volatile vesicant. [Please select]
Do you have a better example in your mind? Please submit your sentence!