Thickening Agent
Cloying beads of sweat gripped Emily's brow, gluing her coppery hair to her goggles as she painstakingly measured and gingerly mixed chemicals in the clear vials she held. If too much air got into the mixture, it would froth for days, and the reactions would take that much more time to finish reacting and degrade. This was supposed to be Temporary, after all.
